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HP-EightOwner’s Manual
HP-EightOwner’s Manual
Owner :
Purchase Date :
Model Number :
Serial Number :
opt- PSU Serial Number :
Install Date :
Installed By :
Dealer Name :
Dealer Number :
Contact Number :
Este símbolo tiene el propósito, de alertar al usuario de la presencia de “(voltaje) peligroso” sin aislamiento dentro dela caja del producto y que puede tener una magnitud suficiente como para constituir riesgo de descarga eléctrica.
Este símbolo tiene el propósito de alertar al usario de la presencia de instruccones importantes sobre la operación ymantenimiento en la información que viene con el producto.
PRECAUCION: Riesgo de descarga eléctrica ¡NO ABRIR!PRECAUCION: Para disminuír el riesgo de descarga eléctrica, no abra la cubierta. No hay piezas útiles dentro. Deje todomantenimiento en manos del personal técnico cualificado.
ADVERTENCIA: Para evitar descargas eléctricas o peligro de incendio, no deje expuesto a la lluvia o humedad este apara-to Antes de usar este aparato, Iea más advertencias en la guía de operación.
Intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure thatmay be of sufficient magnitude to constitute a risk of electric shock to persons.
Intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the lit-erature accompanying the product.
CAUTION: Risk of electrical shock — DO NOT OPEN!CAUTION:To reduce the risk of electric shock, do not remove cover. No user serviceable parts inside. Refer servicing toqualified service personnel.
WARNING:To prevent electrical shock or fire hazard, do not expose this appliance to rain or moisture. Before using thisappliance, read the operating guide for further warnings.
Ce symbole est utilisé dans ce manuel pour indiquer à l’utilisateur la présence d’une tension dangereuse pouvant êtred’amplitude suffisante pour constituer un risque de choc électrique.
Ce symbole est utilisé dans ce manuel pour indiquer à l’utilisateur qu’il ou qu’elle trouvera d’importantes instructionsconcernant l’utilisation et l’entretien de l’appareil dans le paragraphe signalé.
ATTENTION: Risques de choc électrique — NE PAS OUVRIR!ATTENTION:Afin de réduire le risque de choc électrique, ne pas enlever le couvercle. Il ne se trouve à l’intérieur aucunepièce pouvant être reparée par l’utilisateur. Confiez I’entretien et la réparation de l’appareil à un réparateur agréé.
AVERTISSEMENT:Afin de prévenir les risques de décharge électrique ou de feu, n’exposez pas cet appareil à la pluie ouà l’humidité.Avant d’utiliser cet appareil, lisez attentivement les avertissements supplémentaires de ce manuel.
Dieses Symbol soll den Anwender vor unisolierten gefährlichen Spannungen innerhalb des Gehäuses warnen, die vonAusreichender Stärke sind, um einen elektrischen Schlag verursachen zu können.
Dieses Symbol soll den Benutzer auf wichtige Instruktionen in der Bedienungsanleitung aufmerksammachen, die Handhabung und Wartung des Produkts betreffen.
VORSICHT: Risiko — Elektrischer Schlag! Nicht öffnen!VORSICHT: Um das Risiko eines elektrischen Schlages zu vermeiden, nicht die Abdeckung enfernen. Es befinden sich keineTeile darin, die vom Anwender repariert werden könnten. Reparaturen nur von qualifiziertem Fachpersonal durchführenlassen.
ACHTUNG: Um einen elektrischen Schlag oder Feuergefahr zu vermeiden, sollte dieses Gerät nicht dem Regen oderFeuchtigkeit ausgesetzt werden.Vor Inbetriebnahme unbedingt die Bedienungsanleitung lesen.
WARNING: When using electrical products, basic cautions should always be followed, including the following:
1. Read these instructions.2. Keep these instructions.3. Heed all warnings.4. Follow all instructions.5. Do not use this apparatus near water.6. Clean only with a dry cloth.7. Do not block any of the ventilation openings. Install in accordance with manufacturer’s instructions.8. Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including
amplifiers) that produce heat.9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one
wider than the other. A grounding type plug has two blades and a third grounding plug. The wide blade or thirdprong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician forreplacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and thepoint they exit from the apparatus.
11. Only use attachments/accessoriegs provided by the manufacturer.12. Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer or sold with the apparatus. When
a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in
any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into theapparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
15. Never break off the ground pin. Write for our free booklet “Shock Hazard and Grounding.” Connect only to a powersupply of the type marked on the unit adjacent to the power supply cord.
16. If this product is to be mounted in an equipment rack, rear support should be provided.17. Exposure to extremely high noise levels may cause a permanent hearing loss. Individuals vary considerably in
susceptibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufficientlyintense noise for a sufficient time. The U.S. Government’s Occupational and Health Administration (OSHA) hasspecified the following permissible noise level exposures:
Duration Per Day In Hours Sound Level dBA, Slow Response8 906 924 953 972 100
1 1/2 1021 105
1/2 1101/4 or less 115
According to OSHA, any exposure in excess of the above permissible limits could result in some hearing loss. Ear plugs orprotectors to the ear canals or over the ears must be worn when operating this amplification system in order to prevent apermanent hearing loss, if exposure is in excess of the limits as set forth above. To ensure against potentially dangerousexposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing highsound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation.
According to OSHA, any exposure in excess of the above permissible limits could result in some hearing loss. Ear plugs orprotectors to the ear canals or over the ears must be worn when operating this amplification system in order to prevent apermanent hearing loss, if exposure is in excess of the limits as set forth above. To ensure against potentially dangerousexposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing highsound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation.
SAVE THESE INSTRUCTIONS !
IMPORTANT SAFETY INSTRUCTIONS
1
2
3
4
5
Groups p. 34
Auxes p. 44
Left - Right p. 48
6Mono p. 54
9Power Supply p. 68
Stereo Inputs p. 26
Mono Inputs p.10
table of contents
7Matrix p. 58
8Master Section p. 60
0Specifications p. 74
HP-Eight owner’s manual block diagram
BA
LX
LR IN
INP
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PR
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3 0 -3 6 9 12 15 18 21 24
9 6+
3 0 -3 6 9 12 15 18 21 24
9 6+
3 0 -3 6 9 12 15 18 21 24
9 6+
3 0 -3 6 9 12 15 18 21 24
9 6+
3 0 -3 6 9 12 15 18 21 24
9 6+
3 0 -3 6 9 12 15 18 21 24
9 6+
3 0 -3 6 9 12 15 18 21 24
9 6+
3 0 -3 6 9 12 15 18 21 24
9 6+
3 0 -3 6 9 12 15 18 21 24
9 6+
3 0 -3 6 9 12 15 18 21 24
9 6+
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9 6 3+ 0 3- 6 9 12 15 18 21 24
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N
how to use this manual
conventionstermsindicators or controls employed on the HP-Eight console will appear as: TERMS
tasksare broken down into steps 1
2
3
warnings
indicators
tips
seesee—references other sections of the manual containing
supplementary information on the current topic or a related issue
Preferred methods.Helpful hints.Feature insights.
+
Procedures not toattempt.Issues or hazards to keep in mind when operating the equipment.
a
What to look for on-screen.Alerts, indicators, orprompts that may appear.
®
p.10
HP-Eight owner’s manual mono input
module panel
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
LO CUT
6
BA
LX
LR IN
INP
UT
PR
EA
MP
GA
IN4
- 60
dB
FO
UR
BA
ND
EQ
LEV
EL
LFLO
W M
IDH
I MID
HF
HP
F
26dB
PAD P
PR
ES
OU
RC
ES
ELE
CT
SO
LO D
C
DIR
EC
TO
UT
+4d
Bu
PAN
+10
MO
NO
L-R
GR
P1-
2
MU
TE
1-6
PR
E
1
CH
AN
INS
ER
T+
4dB
u
+48
V
EQ
ON
PE
AK
FAD
ER
AM
P
-- U
SE
R O
PT
ION
--
PR
EIN
SE
RT
PR
EF
DR
SO
LO L
EF
TIN
TE
RN
AL
RIB
BO
NS
AN
DIN
TE
R-
CO
NN
EC
TS
HP
-Eig
ht
MO
NO
INP
UT
S24
to
56
CH
AN
NE
LS
LO C
UT
72H
z-1
8dB
/oct
FR
EQ
SIG
INP
UT
ME
TE
RLE
VE
LLE
VE
L
FR
EQ
LEV
EL
SO
LO R
IGH
T
BU
S A
SS
IGN
SW
ITC
HE
S
12 K
HZ
500
- 10
kHz
100
- 2k
Hz
100
HZ
PF
L
SB
1S
B2
2 3 4 5 6 7 8 9 10
7-8
PR
E
9-10
PR
E
AU
XS
EN
DS
PR
E S
OU
RC
E A
MP
DIR
OU
TS
OU
RC
E
-- U
SE
R O
PT
ION
--
PR
EF
DR
PO
ST
INS
ER
T
PO
LR
EV
100M
MC
HA
NFA
DE
R
PF
L
AU
X B
US
1
AU
X B
US
2
AU
X B
US
3
AU
X B
US
4
AU
X B
US
5
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
FE
T M
UT
E
SC
EN
E M
UT
E C
TR
L
A B C D
SC
EN
E M
UT
ES
ELE
CT
GR
P3-
4G
RP
5-6
GR
P7-
8
TO M
ON
ITO
R
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
LO CUT
PFL
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
5
10
0
5
10
20
30
15
50
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
6
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
PRE
PRE
5-6
7-8
1
block diagram
p.11
mono input
features
+48 V
+48 volts DC is applied equally (through current-limiting resistors) to bothpins 2 and 3 on the mic-input XLR connector.This feature is used with condensermicrophones and active direct boxes that require an external DC voltage (phan-tom power) in order to operate.For dynamic or ribbon mics, phantom voltage is not required and should beswitched OFF.NOTE 1: Operating this switch (On or Off) causes large voltage swings to occurat the input of the mic preamp. Care should be taken to insure that the channelis muted or the main faders are pulled down to prevent this POP from getting tosomeone’s ears.
pad
The XLR-input signal is attenuated by 25dB to prevent strong signals (e.g.kickdrum or lead vocal) from overloading the preamp stage.The pad is used to bring ahot mic-input signal down to a controllable level, or when a line-level signal is pre-sent at the XLR input jack.
gain The Input gain control range is closely related to the status of the PAD switch.In order to establish proper gain structure in the console, input gain settings
must be set correctly.Use the PFL switch and Solo system to properly set the gainof the channel.
PAD—switch-up 4 to 60dB of gain can be added the XLR-input signal.The impedance at the input XLR is 2.5kΩ.
PAD—switch-down -21 to 35dB of gain can be added to the XLR-input signal.
polarity (reverse)This feature is used for correcting or minimizing polarity and phase related errors.For example, occasionally a balanced input connection is reverse-wired before itgets to the mixing console.This can happen in microphones, or in snake line inter-faces. By using the polarity button, this type of error can be corrected.
normal polarity (Pin 2 Hot)
polarity reversed (Pin 3 Hot)
If the channel peakLED is illuminated,first try lowering the input gain control. Only when this methodis unsuccessful shouldthe pad switch beengaged.
+
1
When similar sig-nals from differentchannels are combined,phase cancellations canoccur. Reversing the polarity ofan input signal can oftenminimize such phasingerrors.
+
The 48V switchshould not be engaged whenusing standard (dynam-ic) microphones, orother sources that donot use phantom power.
a
p.12
HP-Eight owner’s manual mono input
BA
LX
LR IN
INP
UT
PR
EA
MP
GA
IN4
- 60
dB
FO
UR
BA
ND
EQ
LEV
EL
LFLO
W M
IDH
I MID
HF
HP
F
26dB
PAD P
PR
ES
OU
RC
ES
ELE
CT
SO
LO D
C
DIR
EC
TO
UT
+4d
Bu
PAN
+10
MO
NO
L-R
GR
P1-
2
MU
TE
1-6
PR
E
1
CH
AN
INS
ER
T+
4dB
u
+48
V
EQ
ON
PE
AK
FAD
ER
AM
P
-- U
SE
R O
PT
ION
--
PR
EIN
SE
RT
PR
EF
DR
SO
LO L
EF
TIN
TE
RN
AL
RIB
BO
NS
AN
DIN
TE
R-
CO
NN
EC
TS
HP
-Eig
ht
MO
NO
INP
UT
S24
to
56
CH
AN
NE
LS
LO C
UT
72H
z-1
8dB
/oct
FR
EQ
SIG
INP
UT
ME
TE
RLE
VE
LLE
VE
L
FR
EQ
LEV
EL
SO
LO R
IGH
T
BU
S A
SS
IGN
SW
ITC
HE
S
12 K
HZ
500
- 10
kHz
100
- 2k
Hz
100
HZ
PF
L
SB
1S
B2
2 3 4 5 6 7 8 9 10
7-8
PR
E
9-10
PR
E
AU
XS
EN
DS
PR
E S
OU
RC
E A
MP
DIR
OU
TS
OU
RC
E
-- U
SE
R O
PT
ION
--
PR
EF
DR
PO
ST
INS
ER
T
PO
LR
EV
100M
MC
HA
NFA
DE
R
AU
X B
US
1
AU
X B
US
2
AU
X B
US
3
AU
X B
US
4
AU
X B
US
5
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
FE
T M
UT
E
SC
EN
E M
UT
E C
TR
L
A B C D
SC
EN
E M
UT
ES
ELE
CT
GR
P3-
4G
RP
5-6
GR
P7-
8
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
1
panel
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
LO CUT
6
module
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
LO CUT
PFL
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
5
10
0
5
10
20
30
15
50
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
6
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
PRE
PRE
5-6
7-8
block diagram
p.13
mono input
features
Lo-Cut filter
This filter reduces or eliminates unwanted low frequencies without substantiallyaffecting the program material. Quite often, such unwanted low frequencies areincluded with mic- or line-input signals. For example, stage rumble or wind canbe picked up through vocal mics.The cut-off frequency of the filter is 72 Hz andthe slope is -18dB per octave.This type of filter is also referred to as a Hi-passfilter (HPF). It allows the hi-frequencies to pass, but stops the lo-frequencies.
Lo Cut Switch
Lo-Cut filter is bypassed.
Lo-Cut filter is on.
1
When performingoutdoors, wind-induced, low-frequencyrumble can get into theinput channels thru themicrophones. Engaging the Lo-Cut fil-ter can eliminate thesepower-stealing low fre-quencies.
+
1
p.14
HP-Eight owner’s manual mono input
BA
LX
LR IN
INP
UT
PR
EA
MP
GA
IN4
- 60
dB
FO
UR
BA
ND
EQ
LEV
EL
LFLO
W M
IDH
I MID
HF
HP
F
26dB
PAD P
PR
ES
OU
RC
ES
ELE
CT
SO
LO D
C
DIR
EC
TO
UT
+4d
Bu
PAN
+10
MO
NO
L-R
GR
P1-
2
MU
TE
1-6
PR
E
1
CH
AN
INS
ER
T+
4dB
u
+48
V
EQ
ON
PE
AK
FAD
ER
AM
P
-- U
SE
R O
PT
ION
--
PR
EIN
SE
RT
PR
EF
DR
SO
LO L
EF
TIN
TE
RN
AL
RIB
BO
NS
AN
DIN
TE
R-
CO
NN
EC
TS
HP
-Eig
ht
MO
NO
INP
UT
S24
to
56
CH
AN
NE
LS
LO C
UT
72H
z-1
8dB
/oct
FR
EQ
SIG
INP
UT
ME
TE
RLE
VE
LLE
VE
L
FR
EQ
LEV
EL
SO
LO R
IGH
T
BU
S A
SS
IGN
SW
ITC
HE
S
12 K
HZ
500
- 10
kHz
100
- 2k
Hz
100
HZ
PF
L
SB
1S
B2
2 3 4 5 6 7 8 9 10
7-8
PR
E
9-10
PR
E
AU
XS
EN
DS
PR
E S
OU
RC
E A
MP
DIR
OU
TS
OU
RC
E
-- U
SE
R O
PT
ION
--
PR
EF
DR
PO
ST
INS
ER
T
PO
LR
EV
100M
MC
HA
NFA
DE
R
AU
X B
US
1
AU
X B
US
2
AU
X B
US
3
AU
X B
US
4
AU
X B
US
5
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
FE
T M
UT
E
SC
EN
E M
UT
E C
TR
L
A B C D
SC
EN
E M
UT
ES
ELE
CT
GR
P3-
4G
RP
5-6
GR
P7-
8
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
panel
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
AUX SENDS
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
module
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
LO CUT
PFL
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
5
10
0
5
10
20
30
15
50
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
6
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
PRE
PRE
5-6
7-8
block diagram
p.15
mono input
EQ featuresMany audio signals coming into the console require some degree of correctiveequalization in order to be part of a good sounding mix.
The input EQ consists of four-bands: high, high-mid, low-mid and low.The high and low bands have fixed frequencies while the high-mid and low-midbands are sweepable, with their higher and lower frequencies overlapping adja-cent bands.
high frequency—HF
15dB boost and cut at 12kHz—Shelving Response.
high-mid frequency—HM
Selectable frequency range of 500Hz to 10 kHz.The response is bell-shaped with a fixed Q of 1.5
15dB boost and cut centered at the selected frequency.
low-mid frequency—LM
Selectable frequency range of 100Hz to 2kHz.The response is bell-shaped with a fixed Q of 1.5
15dB boost and cut centered at the selected frequency.
low frequency—LF
15dB boost and cut at 80Hz—Shelving Response.
eq on
Equalizer is off. The EQ circuits are bypassed.
Equalizer is on. This switch can be used to make A/B comparisons between"flat" and eq'd signals.
1
1
p.16
HP-Eight owner’s manual mono input
BA
LX
LR IN
INP
UT
PR
EA
MP
GA
IN4
- 60
dB
FO
UR
BA
ND
EQ
LEV
EL
LFLO
W M
IDH
I MID
HF
HP
F
26dB
PAD P
PR
ES
OU
RC
ES
ELE
CT
SO
LO D
C
DIR
EC
TO
UT
+4d
Bu
PAN
+10
MO
NO
L-R
GR
P1-
2
MU
TE
1-6
PR
E
1
CH
AN
INS
ER
T+
4dB
u
+48
V
EQ
ON
PE
AK
FAD
ER
AM
P
-- U
SE
R O
PT
ION
--
PR
EIN
SE
RT
PR
EF
DR
SO
LO L
EF
TIN
TE
RN
AL
RIB
BO
NS
AN
DIN
TE
R-
CO
NN
EC
TS
HP
-Eig
ht
MO
NO
INP
UT
S24
to
56
CH
AN
NE
LS
LO C
UT
72H
z-1
8dB
/oct
FR
EQ
SIG
INP
UT
ME
TE
RLE
VE
LLE
VE
L
FR
EQ
LEV
EL
SO
LO R
IGH
T
BU
S A
SS
IGN
SW
ITC
HE
S
12 K
HZ
500
- 10
kHz
100
- 2k
Hz
100
HZ
PF
L
SB
1S
B2
2 3 4 5 6 7 8 9 10
7-8
PR
E
9-10
PR
E
AU
XS
EN
DS
PR
E S
OU
RC
E A
MP
DIR
OU
TS
OU
RC
E
-- U
SE
R O
PT
ION
--
PR
EF
DR
PO
ST
INS
ER
T
PO
LR
EV
100M
MC
HA
NFA
DE
R
AU
X B
US
1
AU
X B
US
2
AU
X B
US
3
AU
X B
US
4
AU
X B
US
5
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
FE
T M
UT
E
SC
EN
E M
UT
E C
TR
L
A B C D
SC
EN
E M
UT
ES
ELE
CT
GR
P3-
4G
RP
5-6
GR
P7-
8
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
module
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
LO CUT
PFL
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
5
10
0
5
10
20
30
15
50
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
6
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
PRE
PRE
5-6
7-8
panel
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
PRE
PRE
block diagram
p.17
mono input
aux send featuresTen aux sends are available for creating individual output mixes.These mixes canbe used for driving effects processors, providing monitor mixes, creating broad-cast or alternate sound reinforcement mixes,or other special requirements.Withthe corresponding PRE switches in the UP position, the Aux sends are fed fromthe Post-fader channel signal. When the PRE switch is depressed, the corre-sponding Aux sends are fed from the Channel’s Post-EQ, Pre-fader signal. Aninternal option allows the user to change this “PRE” point to the Pre-Insert, Pre-EQ signal on a channel-by-channel basis.All Aux sends are affected by the chan-nel Mute switch.
aux sends 1–6
These knobs adjust the amount of signal sent to the corresponding AUX
buses. Unity gain occurs at the zero setting, with 6dB additional gain availableabove that.
PRE (aux 1–6 )The default signal source for these Aux sends is post-fader.This switch is used forselecting the Pre-fader signal for Auxes 1-6.The normal Pre-fader signal is derivedPost-EQ.
see internal jumper options
Aux sends are Post-EQ, Post-fader.
Aux sends are Post-insert, Post-EQ, Pre-fader.
aux sends 7-8 and 9-10
These knobs adjust the amount of signal sent to the corresponding AUX
buses. Unity gain occurs at the zero setting, with 6dB additional gain availableabove that.
PRE ( aux 7–8 & aux 9–10 )The default signal source for these AUX SENDS is post-fader.These switches areused for selecting the Pre-fader signals for Auxes 7-8 & 9-10.The normal Pre-fader signal is derived Post-EQ.see internal jumper options
Aux sends are Post-EQ, Post-fader.
Aux sends are Post-insert, Post-EQ, Pre-fader.
1
1
p.18
HP-Eight owner’s manual mono input
BA
LX
LR IN
INP
UT
PR
EA
MP
GA
IN4
- 60
dB
FO
UR
BA
ND
EQ
LEV
EL
LFLO
W M
IDH
I MID
HF
HP
F
26dB
PAD P
PR
ES
OU
RC
ES
ELE
CT
SO
LO D
C
DIR
EC
TO
UT
+4d
Bu
PAN
+10
MO
NO
L-R
GR
P1-
2
MU
TE
1-6
PR
E
1
CH
AN
INS
ER
T+
4dB
u
+48
V
EQ
ON
PE
AK
FAD
ER
AM
P
-- U
SE
R O
PT
ION
--
PR
EIN
SE
RT
PR
EF
DR
SO
LO L
EF
TIN
TE
RN
AL
RIB
BO
NS
AN
DIN
TE
R-
CO
NN
EC
TS
HP
-Eig
ht
MO
NO
INP
UT
S24
to
56
CH
AN
NE
LS
LO C
UT
72H
z-1
8dB
/oct
FR
EQ
SIG
INP
UT
ME
TE
RLE
VE
LLE
VE
L
FR
EQ
LEV
EL
SO
LO R
IGH
T
BU
S A
SS
IGN
SW
ITC
HE
S
12 K
HZ
500
- 10
kHz
100
- 2k
Hz
100
HZ
PF
L
SB
1S
B2
2 3 4 5 6 7 8 9 10
7-8
PR
E
9-10
PR
E
AU
XS
EN
DS
PR
E S
OU
RC
E A
MP
DIR
OU
TS
OU
RC
E
-- U
SE
R O
PT
ION
--
PR
EF
DR
PO
ST
INS
ER
T
PO
LR
EV
100M
MC
HA
NFA
DE
R
AU
X B
US
1
AU
X B
US
2
AU
X B
US
3
AU
X B
US
4
AU
X B
US
5
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
FE
T M
UT
E
SC
EN
E M
UT
E C
TR
L
A B C D
SC
EN
E M
UT
ES
ELE
CT
GR
P3-
4G
RP
5-6
GR
P7-
8
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
module
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
LO CUT
PFL
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
5
10
0
5
10
20
30
15
50
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
6
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
PRE
PRE
5-6
7-8
panel
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
PFL
5
10
0
5
10
20
30
15
50
MUTE
5-6
7-8
block diagram
p.19
mono input
bus assignment featuresThe Input bus assignment section offers considerable flexibility for creating what even-tually becomes the main output mix. Channels can be assigned to the independentMono bus, the pan-paired Left/Right buses, or any of the pan-paired subgroups (1-2, 3-4, 5-6, 7-8).All assignments are derived post-fader, post-eq, and post-mute.
pan controlThe pan control positions the post-fader channel signal within the stereo left-right field,or between the Odd and Even groups of an assigned pair.The signal is down by approx-imately -3dB at the center-detent position when panning across the buses.
Bus Assign
M (Mono)Assigns the post-fader channel signal to the Mono Bus.The pan-pot position does notaffect the signal to the Mono bus.
L-R (Left- Right)Assigns the post-fader, pan-pot signals to the Left and Right Buses.
1-2 (Groups 1-2)Assigns the post-fader, pan-pot signals to the Group 1 and Group 2 Buses.
3-4 (Groups 3-4)Assigns the post-fader, pan-pot signals to the Group 3 and Group 4 Buses.
5-6 (Groups 5-6)Assigns the post-fader, pan-pot signals to the Group 5 and Group 6 Buses.
7-8 (Groups 7-8)Assigns the post-fader, pan-pot signals to the Group 7 and Group 8 Buses.
channel faderThe channel is fitted with a high-quality,100mm fader.Normal mixing range is aroundthe “0” mark,with up to 10dB fader-boost available when needed.All Post-fader feedsfrom the channel are controlled by this fader (Post Aux sends, Bus assignments).
5
10
0
5
10
20
30
15
1
1
p.20
HP-Eight owner’s manual mono input
block diagram
BA
LX
LR IN
INP
UT
PR
EA
MP
GA
IN4
- 60
dB
FO
UR
BA
ND
EQ
LEV
EL
LFLO
W M
IDH
I MID
HF
HP
F
26dB
PAD P
PR
ES
OU
RC
ES
ELE
CT
SO
LO D
C
DIR
EC
TO
UT
+4d
Bu
PAN
+10
MO
NO
L-R
GR
P1-
2
MU
TE
1-6
PR
E
1
CH
AN
INS
ER
T+
4dB
u
+48
V
EQ
ON
PE
AK
FAD
ER
AM
P
-- U
SE
R O
PT
ION
--
PR
EIN
SE
RT
PR
EF
DR
SO
LO L
EF
TIN
TE
RN
AL
RIB
BO
NS
AN
DIN
TE
R-
CO
NN
EC
TS
HP
-Eig
ht
MO
NO
INP
UT
S24
to
56
CH
AN
NE
LS
LO C
UT
72H
z-1
8dB
/oct
FR
EQ
SIG
INP
UT
ME
TE
RLE
VE
LLE
VE
L
FR
EQ
LEV
EL
SO
LO R
IGH
T
BU
S A
SS
IGN
SW
ITC
HE
S
12 K
HZ
500
- 10
kHz
100
- 2k
Hz
100
HZ
PF
L
SB
1S
B2
2 3 4 5 6 7 8 9 10
7-8
PR
E
9-10
PR
E
AU
XS
EN
DS
PR
E S
OU
RC
E A
MP
DIR
OU
TS
OU
RC
E
-- U
SE
R O
PT
ION
--
PR
EF
DR
PO
ST
INS
ER
T
PO
LR
EV
100M
MC
HA
NFA
DE
R
AU
X B
US
1
AU
X B
US
2
AU
X B
US
3
AU
X B
US
4
AU
X B
US
5
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
FE
T M
UT
E
SC
EN
E M
UT
E C
TR
L
A B C D
SC
EN
E M
UT
ES
ELE
CT
GR
P3-
4G
RP
5-6
GR
P7-
8
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
module
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
LO CUT
PFL
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
5
10
0
5
10
20
30
15
50
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
6
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
PRE
PRE
5-6
7-8
panel
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
PFL
5
10
0
5
10
20
30
15
50
MUTE
5-6
7-8
p.21
mono input
channel muting featuresThe HP-Eight is equipped with a 4-Scene muting system.An input channel can beassigned to any of the 4 available scenes (A thru D).When the Mute SceneMaster switch (located in the Master module) is depressed, all channels assignedto that scene will mute. In addition, the local channel mute switch can be used tokill the output of the channel independently of any of the scenes.
MUTE (Local Mute)
Pressing this switch will mute the output of the channel to any of the assigned busesand any Aux sends.
MUTE LED
The associated red-LED will light when the channel is muted either by its local muteswitch, or when part of an active Mute Scene (A thru D).
A (Scene Mute Assign)
Pressing this switch will assign the channel to Mute Scene A.The channel will mute(and MUTE LED will illuminate) when the Master Scene Mute A is active.
B, C, D (Scene Mute Assign)
Same operation as A for switches B thru D
channel monitoring featuresThe channel is equipped with a bicolor LED that displays the channel’s Pre-fadersignal level with varying intensity green illumination, and also indicates impendingchannel overload (within 3dB of clipping) by turning red. Channel clipping issensed both pre and post fader, so even if the fader is down, you will be informedof any preamp or EQ related overload problems.
A PFL (Pre-Fader Listen) switch is provided that lets the operator monitor thechannel’s signal in the Console’s Solo system.When depressed, the channel’s pre-fader signal sent to the Console’s Solo system (See Master section for details onthe Solo system functions).
PK/Sig LED
Pre-Fader signal is shown as varying GREEN intensity, channel clip warning showsas RED.
PFL
When this switch is depressed, the channel’s pre-fader signal is sent to theConsole’s Solo system.The channel LED is lit RED to indicate that the PFL is active.The Solo meters will now show the channel’s PFL level.
write-in labelThis filled-area may be written on with a grease-marker, and later wiped clean witha cloth moistened with isopropyl/rubbing alcohol.Artist (Board) tape may also beapplied to this surface, and the tape marked with a Sharpie.
L E D
L E D
1
NOTE: Do not write directlyon the Console’s surface witha Sharpie or other permanentmarker. Use a china-marker(grease pencil) or otherremovable marking pencil, orput down a strip of Artist tapefirst. Avoid using standardmasking tape; it dries out andleaves a hard-to-remove glueresidue.
+
Channel-LED status
flickering greenlow signal level in thechannelsteady greengood signal levels withinthe channelgreen with flickering redgood signal levels withoccasional peaks.steady redPFL selected
®
The signal present cir-cuitry is at the top of thechannel fader, so it sees theaudio path: from the preamp,into the lo-cut filter, throughthe insert jack and finallythrough the EQ. The signalpath has to be intact throughall these stages in order toget the green LED illuminat-ed. Any gain changes oraudio processing will affectthe signal-present LED. Also,since the PFL feed is takenfrom this same, pre-faderpoint, the Solo meters andSolo headphones will moni-tor this overall channelsignal.
®
p.22
HP-Eight owner’s manual mono input - options1
CHAN 1
CHAN 2
CHAN 3 CHAN 4
CHAN 5
CHAN 6
CHAN 7 CHAN 8
CHAN 1 CHAN 2 CHAN 3 CHAN 4 CHAN 5 CHAN 6 CHAN 7 CHAN 8
HP-Eight Input EQ PCB(Upper PCB)
D.O.
PREINSRT
POSTEQ
D.O.
PREINSRT
POSTEQ
HP-Eight Input Main PCB(lower PCB)
CHAN 1
CHAN 2
HAN 3
D.O.
PREINSRT
POSTEQ
D.O.
PREINSRT
POSTEQ
Closer Look- Chan1 & Chan2
Solder-Blob locations
Input Module circuit boards - Viewed from rear (solder-side)
p.23
mono input - options 1User Options
There are a number of user options available for the Mono inputs.These are implemented by way of solder-pads on the back-side of the Mono Input circuit boards (upper,EQ board of the pair).There are a number of solder-pads available made up of split-circles of tinned copper.Solder is bridged (blobbed) across the 2 halves to complete the circuit and implement the desired option.For the default setting, there is already a thin copper trace that connects the two halves, completing the default connection.Thisexisting trace MUST be cut (use an X-acto knife) before an option is implemented.
To change back to the default operation after an option was performed:Remove the blobbed solder from the option solder-pads(use a solder-sucker or solder-wick).Add a blob-link across the original, default pads to replace the thin trace that was previous-ly cut when the option was first performed.
Aux “PRE” OptionThe Aux Sends on the Mono Input channels are normally fed by the Post-Fader/Post-Mute signal in the channel.There is a PREswitch (3) associated with each set of Aux Sends that will change the feed to a Pre-Fader point in the channel’s signal path.Thereare two choices for this PRE point:Pre-Fader/Post-EQ and Pre-Fader/Pre-Insert.This change is done on a channel-by-channel basis,each channel has its own set of solder-pads.All 3 of the PRE switches within that channel will be affected by the option change.
NOTE:The channel MUTE always affects the Aux sends, whether Pre or Post, optioned or not.
Pre-Fader/Post-EQ :This is the default setting for the PRE switch.The aux send signal is derived before the fader, but after thechannel EQ.
Pre-Fader/Pre-Insert : This is the option for the PRE switch.The aux send signal is derived before the EQ,AND before theInsert Send jack, so any external processing gear will NOT affect the Aux sends.
Direct Out (D.O.) OptionThe Direct-Out jack on the Mono Input channels is normally fed by the Pre-Fader/Post-EQ signal in the channel.The optionchanges this point to Pre-Fader/Pre-EQ.This change is done on a channel-by-channel basis, each channel has its own set of sol-der-pads.
NOTE:The channel MUTE does NOT affect the Direct Out jack.
NOTE:The channel Insert DOES affect the Direct Out jack.
Pre-Fader/Post-EQ :This is the default setting for the D.O. jack.The signal is derived before the fader,but after the channel EQ.Pre-Fader/Pre-EQ :This is the option for the D.O. jack.The D.O. signal is derived before the fader and before the channel EQ.
The specified Solder-Blob (SBXX) shown in the table should be linked (by solder-bridging) to complete the circuit andimplement the indicated option.The table below shows the specific SBXX for each of the 8 channels on a circuitboard.Before implementing an option (by blobbing), be SURE to cut the existing, thin copper trace linking the two halves of thedefault SB. Failure to do so will result in the channel failing to operate properly and possible circuit damage.
HP-Eight Mono InputOPTIONS TABLE
“PRE” Feed For Aux Sends Channel Direct OutPost-EQ (Default) Pre-Insert Post-EQ(Default) Pre-EQ
Chan-1 SB2 SB1 SB18 SB17Chan-2 SB4 SB3 SB20 SB19Chan-3 SB6 SB5 SB22 SB21Chan-4 SB8 SB7 SB24 SB23Chan-5 SB10 SB9 SB26 SB25Chan-6 SB12 SB11 SB28 SB27Chan-7 SB13 SB14 SB30 SB29Chan-8 SB16 SB15 SB32 SB31
NOTE:The astute observer will notice that, because of the presence of the various solder-points within thechannel signal path, there are other possible connection options. For example: The Pre-EQ point that isused for the DO option CAN be used to feed the Aux Pre circuits. Contact the factory for specific informa-tion concerning non-standard options.
1
p.24
HP-Eight owner’s manual mono input module - rear
module panel
BA
LX
LR IN
INP
UT
PR
EA
MP
GA
IN4
- 60
dB
FO
UR
BA
ND
EQ
LEV
EL
LFLO
W M
IDH
I MID
HF
HP
F
26dB
PAD P
PR
ES
OU
RC
ES
ELE
CT
SO
LO D
C
DIR
EC
TO
UT
+4d
Bu
PAN
+10
MO
NO
L-R
GR
P1-
2
MU
TE
1-6
PR
E
1
CH
AN
INS
ER
T+
4dB
u
+48
V
EQ
ON
PE
AK
FAD
ER
AM
P
-- U
SE
R O
PT
ION
--
PR
EIN
SE
RT
PR
EF
DR
SO
LO L
EF
TIN
TE
RN
AL
RIB
BO
NS
AN
DIN
TE
R-
CO
NN
EC
TS
HP
-Eig
ht
MO
NO
INP
UT
S24
to
56
CH
AN
NE
LS
LO C
UT
72H
z-1
8dB
/oct
FR
EQ
SIG
INP
UT
ME
TE
RLE
VE
LLE
VE
L
FR
EQ
LEV
EL
SO
LO R
IGH
T
BU
S A
SS
IGN
SW
ITC
HE
S
12 K
HZ
500
- 10
kHz
100
- 2k
Hz
100
HZ
PF
L
SB
1S
B2
2 3 4 5 6 7 8 9 10
7-8
PR
E
9-10
PR
E
AU
XS
EN
DS
PR
E S
OU
RC
E A
MP
DIR
OU
TS
OU
RC
E
-- U
SE
R O
PT
ION
--
PR
EF
DR
PO
ST
INS
ER
T
PO
LR
EV
100M
MC
HA
NFA
DE
R
AU
X B
US
1
AU
X B
US
2
AU
X B
US
3
AU
X B
US
4
AU
X B
US
5
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
FE
T M
UT
E
SC
EN
E M
UT
E C
TR
L
A B C D
SC
EN
E M
UT
ES
ELE
CT
GR
P3-
4G
RP
5-6
GR
P7-
8
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
LO CUT
PFL
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
5
10
0
5
10
20
30
15
50
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
6
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
PRE
PRE
5-6
7-8
INSERT
BAL IN
DIR OUT
PUSH
block diagram
p.25
mono input module - rear
rear panel featuresdirect out 1/4" TRS jack
The input channel's signal is available at this output jack.The default signalrouting is derived Pre-fader/Post-EQ.This can be changed by an internal optionto: Post-insert/Pre-EQ.The output jack is TRS, impedance-balanced.
insert jackThis switching 1/4” TRS jack allows an external signal processor to be insertedinto the signal path of the channel.The tip carries the SEND signal from the chan-nel, and the ring carries the RETURN signal back to the channel.The Insert-Sendpoint is located directly after the Lo-Cut filter on the channel, the Return comesback into the channel at the top of the EQ section.
Tip is Send, Ring is Return, Sleeve is Audio Ground.Send (output) impedance is 50ΩReturn (input) impedance is 5KΩNominal Operating Level= +4dBuNOTE: To avoid any degradation of the HP-Eight’s channel signal, any process-ing gear patched into the channel insert should have a low impedance output(<100Ω) and must be capable of cleanly driving a 2KΩ load to +21dBu.
balanced XLR input connector
This balanced female XLR accepts a low-impedance microphone signal,or a line-level signal, depending on the position of the PAD switch on the frontpanel.
In situations wherethe preamp circuit-ry is not needed, the InsertReturn can be used as thechannel’s input. For example, when usingan expensive, outboardtube mic preamp.In these cases, the Tipcontact of the plug shouldnot be connected, the sig-nal from the external pre-amp should feed the Ringcontact (the Sleeve con-tact is the ground return).
+
The insert jack canalso be used as anadditional channel outputwhen a Post-HPF, Pre-EQ,Pre-fader signal is needed.A “Borrow” plug can bemade by connecting theTip & Ring contacts togeth-er. The signal obtained willbe the Insert-Send signal,but the channel signal pathwill not be interrupted.
+
1
T= Out+R= GND (50Ω)S= CHS +4dBu
50ΩImpedance Bal
TRS
Direct Outputs
• DEFAULT AUX SEND SETTINGS •• Aux Sends Are Post-Fader/Follow Mute• When “PRE” Button Is Pressed, Aux Sends Change To Pre-Fader(Post-EQ)
Dir Outs Are Normally Pre-Fader(Post-EQ)
When “PRE” Button Is Pressed,Aux Sends Change To:
PRE-FADER(PRE-INSERT)
DIRECT OUT= PRE-FADER(PRE-EQ)Dir Out Option (Marked by if fitted)
Aux PRE Option (Marked by if fitted)
T= SendR= RtnS= GND +4dBu
Unbal Send • 50ΩUnbal Rtn • 15KΩ
TRS
Chan Inserts
1 23
1= CHS2= IN +3= IN –
F - XLR-60 > +4dBu
2KΩElectronicBalanced Chan Inputs
Diagrams from Rear-Panel showing electrical connection details
HP-Eight owner’s manual stereo inputs
module panel
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
1+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
LO CUT
1
9
10
PRE
10
5
0
5
10
15
20
30
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
5-6
7-8
block diagram
ST
ER
EO
LIN
E IN
+4d
Bu
RL
RIG
HT
LEF
T(M
ON
O)
GA
IN T
RIM
-20
TO +
20 d
B
HP
F
HP
F
HP
-Eig
ht
ST
ER
EO
IN
PU
TS
6 7 8 9 10
7-8
PR
E
9-10
PR
E
TH
RE
E B
AN
D E
Q
LEV
EL
LFM
IDH
F
LEV
EL
LEV
EL
12 K
HZ
500
- 10
kHz
100
HZ
TH
RE
E B
AN
D E
Q
LFM
IDH
F12
KH
Z50
0 -
10kH
z10
0 H
Z
PE
AK
SIG
MO
NO
L-R
1-2
3-4
5-6
7-8
BU
S A
SS
IGN
SW
ITC
HE
S
MU
TE
SO
LO D
C
SO
LO L
EF
T
SO
LO R
IGH
T
PF
L
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
9P
RE
AU
X B
US
9
AU
X B
US
10
10A
UX
SE
ND
S
RC
A J
AC
KS
ON
INP
UT
S A
& B
ON
LY
LO C
UT
72H
z-1
8dB
/oct
ST
ER
EO
TAP
E IN
-10d
BV
5 S
TE
RE
O IN
PU
TS
(1-
2-3-
A-B
)LO
CAT
ED
IN M
AS
TE
R S
EC
TIO
NLI
NE
INP
UT
S 1
-2-3
: TR
S O
NLY
TAP
E IN
PU
TS
A-B
: TR
S A
ND
RC
A
+12
+12
+10
+10
60M
MS
TE
RE
OFA
DE
R
TO M
ON
ITO
RC
IRC
UIT
S(T
AP
E B
ON
LY)
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
G1
+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
BAS
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2
L
G3
SIG
PK
SIG
PK
S
P
12V LAMP
SIG
PK
SIG
PK
S
P
LO CUT
MUTE
1
AFLAFL
AFL AFL
9
10
PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
2030
4
2030
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
2030
4
2030
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
3
20
0
1515
8 8
+–
0
1515
8 8
+–
8
8
8
12
MUTE
MUTE
FADERFLIP
FAF
GRP1AUX1
GRP2AUX2
GA
A
A2A1
G2G1
5-6
7-8
PRE
M1
M2
2
p.26
p.27
stereo inputs
featuresThe HP-Eight has 5 stereo inputs, all located within the Master module.All fivehave identical features, they vary only in their rear-panel input connectors.Thefirst 3 inputs are defined as Stereo LINE Inputs.These accept +4dBu balanced orunbalanced signals on their 1/4”,TRS jacks (on Master Rear panel).The next 2inputs are called Stereo TAPE Inputs.They can accept the same type of signals ontheir 1/4” TRS jacks. In addition to these jacks, Stereo Tape Inputs A & B also fea-ture additional RCA jacks for inputs.These RCA jacks are designed to accept -10dBV, unbalanced signals (from a CD player, tape deck, etc). Internal amplifiersboost that -10dBV signal up to the +4dBu pro-level that the HP-Eight uses. Boththe TRS and RCA jacks can be used simultaneously. Both sets of signals will bemixed together.
Gain
This control adjusts the gain of the input amplifiers, both Left & Right cir-cuits are simultaneously adjusted. Unity gain is at the mid-point (with a detent),min and max gain adjust is 20dB.The stereo inputs were designed for line-levelsources, and can accommodate a wide range of input levels. Use the appropriateline or tape input (and the matching input connectors) when patching-in yourexternal gear. For most semi-Pro or Pro outboard gear with TRS or XLR outputjacks, use the Stereo Line inputs 1 thru 3.Their TRS input jacks can accept bal-anced or unbalanced sources.Use an adapter plug or cable to patch-in XLR gear.For semi-Pro or consumer equipment with RCA output jacks, use Stereo Tapeinputs A and B.Their RCA inputs have an internal amplifier to bring those low-level -10dBV signals up to a +4dBu Pro level.With Stereo Inputs A & B, both theTRS and RCA inputs can be used simultaneously.Both sets of signals will be mixedtogether.
Stereo Lo-Cut filter
This filter reduces or eliminates unwanted low frequencies without substantiallyaffecting the program material. Quite often, such unwanted low frequencies areincluded with mic- or line-input signals. For example, stage rumble or wind canbe picked up through vocal mics.The cut-off frequency of the filter is 72 Hz andthe slope is -18dB per octave.This type of filter is also referred to as a Hi-passfilter (HPF). It allows the hi-frequencies to pass, but stops the lo-frequencies.
Lo Cut Switch
Stereo Lo-Cut filter is bypassed.
Stereo Lo-Cut filter is on.
2
Stereo Inputs 1, 2 and3 are called StereoLine Inputs. They have 1/4”TRS inputs only.Stereo Inputs A & B arecalled Stereo Tape Inputs.They have 1/4” TRS jacksPLUS additional RCA jacks.
+
When performingoutdoors, wind-induced, low-frequencyrumble can get into theinput channels thru themicrophones. Engaging the Lo-Cut fil-ter can eliminate thesepower-stealing low fre-quencies.
+
HP-Eight owner’s manual stereo inputs
module panel
STEREO LINE INPUT
BUSASSIGN
SIG
PK
PFL
LO CUT
2
2
9
10
10
5
0
5
10
15
20
30
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
LF
MF
HF0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
GAIN+–
20
12
06
20
12
6
MUTE
AUX SENDS
PRE
L-R
M
3-4
1-2
GRP
5-6
7-8
block diagram
ST
ER
EO
LIN
E IN
+4d
Bu
RL
RIG
HT
LEF
T(M
ON
O)
GA
IN T
RIM
-20
TO +
20 d
B
HP
F
HP
F
HP
-Eig
ht
ST
ER
EO
IN
PU
TS
6 7 8 9 10
7-8
PR
E
9-10
PR
E
TH
RE
E B
AN
D E
Q
LEV
EL
LFM
IDH
F
LEV
EL
LEV
EL
12 K
HZ
500
- 10
kHz
100
HZ
TH
RE
E B
AN
D E
Q
LFM
IDH
F12
KH
Z50
0 -
10kH
z10
0 H
Z
PE
AK
SIG
MO
NO
L-R
1-2
3-4
5-6
7-8
BU
S A
SS
IGN
SW
ITC
HE
S
MU
TE
SO
LO D
C
SO
LO L
EF
T
SO
LO R
IGH
T
PF
L
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
9P
RE
AU
X B
US
9
AU
X B
US
10
10A
UX
SE
ND
S
RC
A J
AC
KS
ON
INP
UT
S A
& B
ON
LY
LO C
UT
72H
z-1
8dB
/oct
ST
ER
EO
TAP
E IN
-10d
BV
5 S
TE
RE
O IN
PU
TS
(1-
2-3-
A-B
)LO
CAT
ED
IN M
AS
TE
R S
EC
TIO
NLI
NE
INP
UT
S 1
-2-3
: TR
S O
NLY
TAP
E IN
PU
TS
A-B
: TR
S A
ND
RC
A
+12
+12
+10
+10
60M
MS
TE
RE
OFA
DE
R
TO M
ON
ITO
RC
IRC
UIT
S(T
AP
E B
ON
LY)
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
G1
+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN A
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2 G
SIG
PK
SIG
PK
12V LAMP
SIG
PK
SIG
PK
LO CUT
MUTE
1
AFLAFL
AFL AFL
9
10
PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
3
3
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
3
3
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
2
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
MUTE
FADERFLIP
F
GRP1AUX1
GRP2AUX2
A2A1
G2G1
5-6
7-8
PRE
M1
M2
2
p.28
p.29
stereo inputs
EQ featuresMany audio signals coming into the console require some degree of correctiveequalization in order to be part of a good sounding mix.
Each Stereo Input is equipped with a fixed-frequency, three-band EQ.The HF andLF bands have a shelving response, the MF band is bell-shaped, centered at3kHz.The EQ circuitry is always in the signal path, set all EQ controls to “0” (flat)if no equalization is desired.
high frequency—HF
15dB boost and cut at 10kHz—Shelving Response.
mid frequency—MF
15dB boost and cut centered at the 3kHz, Q of 1.5.
low frequency—LF
15dB boost and cut at 80Hz—Shelving Response.
aux send featuresTwo aux sends are available for creating individual output mixes from the StereoInputs.These mixes can be used for driving effects processors, providing monitormixes, creating broadcast or alternate sound reinforcement mixes, or other spe-cial requirements.The signal fed to each of the Auxes is a sum of the Left & Rightstereo signals.The Aux sends are normally fed from the Post-fader stereo signal.When the PRE switch is depressed,the Aux sends are fed from the Post-EQ,Pre-fader signal.The Aux sends are always affected by the Mute switch.
aux sends 9-10
These knobs adjust the amount of signal sent to the corresponding Auxbuses. Unity gain occurs at the zero setting, with 6dB additional gain availableabove that.
PRE (aux 9–10 )The default signal source for the aux sends is post-fader.This switch is used forselecting the Pre-fader signal for the Aux sends.The Pre-fader signal is derivedPost-EQ.
Aux sends are Post-fader.
Aux sends are Pre-fader (Post-EQ)
2
2 HP-Eight owner’s manual stereo inputs
module panelblock diagram
ST
ER
EO
LIN
E IN
+4d
Bu
RL
RIG
HT
LEF
T(M
ON
O)
GA
IN T
RIM
-20
TO +
20 d
B
HP
F
HP
F
HP
-Eig
ht
ST
ER
EO
IN
PU
TS
6 7 8 9 10
7-8
PR
E
9-10
PR
E
TH
RE
E B
AN
D E
Q
LEV
EL
LFM
IDH
F
LEV
EL
LEV
EL
12 K
HZ
500
- 10
kHz
100
HZ
TH
RE
E B
AN
D E
Q
LFM
IDH
F12
KH
Z50
0 -
10kH
z10
0 H
Z
PE
AK
SIG
MO
NO
L-R
1-2
3-4
5-6
7-8
BU
S A
SS
IGN
SW
ITC
HE
S
MU
TE
SO
LO D
C
SO
LO L
EF
T
SO
LO R
IGH
T
PF
L
AU
X B
US
6
AU
X B
US
7
AU
X B
US
8
AU
X B
US
9
AU
X B
US
10
9P
RE
AU
X B
US
9
AU
X B
US
10
10A
UX
SE
ND
S
RC
A J
AC
KS
ON
INP
UT
S A
& B
ON
LY
LO C
UT
72H
z-1
8dB
/oct
ST
ER
EO
TAP
E IN
-10d
BV
5 S
TE
RE
O IN
PU
TS
(1-
2-3-
A-B
)LO
CAT
ED
IN M
AS
TE
R S
EC
TIO
NLI
NE
INP
UT
S 1
-2-3
: TR
S O
NLY
TAP
E IN
PU
TS
A-B
: TR
S A
ND
RC
A
+12
+12
+10
+10
60M
MS
TE
RE
OFA
DE
R
TO M
ON
ITO
RC
IRC
UIT
S(T
AP
E B
ON
LY)
GC
PG
AIN
RO
TAR
YP
OT
PAD
LED
AM
PPA
NE
LS
WIT
CH
FAD
ER
FE
TS
WIT
CH
BA
LAN
CE
DD
RIV
ER
ALL
SW
ITC
HE
S S
HO
WN
IN T
HE
UP
(D
ES
ELE
CT
ED
) P
OS
ITIO
NA
MP
(LIF
IER
) G
AIN
SH
OW
N IN
DB
WH
EN
NE
ED
ED
WH
EN
SH
OW
N: 1
/4”
TR
S S
WIT
CH
ING
JA
CK
S H
AV
E N
OR
MA
LLY
CLO
SE
D C
ON
TAC
TS
US
ER
OP
TIO
NS
IMP
LEM
EN
TE
D W
ITH
RE
MO
VA
BLE
LIN
KS
AN
D S
OLD
ER
BLO
BS
DE
FAU
LT O
PT
ION
PO
SIT
ION
SH
OW
N U
ND
ER
LIN
ED
GR
OU
ND
CO
MP
DR
IVE
RB
ICO
LOR
LED
1/4”
TR
SJA
CK
XLR
JAC
KO
SM
JIM
ELE
CT
SW
ITC
H
STA
ND
AR
D O
UT
PU
T L
EV
EL
IS +
4 dB
u AT
0 V
UP
IN 2
HO
T O
N A
LL B
ALA
NC
ED
INP
UT
S A
ND
OU
TP
UT
S (
XLR
JA
CK
S)
FO
R U
NB
ALA
NC
ED
OP
ER
ATIO
N:
TIE
PIN
3 T
O P
IN 1
, US
E P
IN 2
FO
R O
UT
PU
T, P
IN 1
FO
R G
ND
“Ø” S
YM
BO
L IN
DIC
ATE
S P
OLA
RIT
Y R
EV
ER
SE
LEG
EN
DS
US
ER
OP
TIO
NS
SO
LDE
RB
LOB
FIT
TE
DLI
NK
RC
AJA
CK
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
G1
+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2 G
SIG
PK
SIG
PK
12V LAMP
SIG
PK
SIG
PK
LO CUT
MUTE
1
AFLAFL
AFL AFL
9
10
PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
MUTE
FADERFLIP
GRP1AUX1
GRP2AUX2
A2A1
G2G1
5-6
7-8
PRE
M1
M2
STEREO TAPE INPUT
BUSASSIGN
SIG
PK
PFL
LO CUT
A
A
9
10
10
5
0
5
10
15
20
30
0
0
0
5
0
0
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
LF
MF
HF0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
GAIN+–
20
12
06
20
12
6
MUTE
AUX SENDS
PRE
L-R
M
3-4
1-2
GRP
5-6
7-8
p.30
p.31
stereo inputs
channel muting features
MUTE
Pressing this switch will mute the stereo feed to any of the assigned buses andany Aux sends.
MUTE LED
The associated red-LED will light when the stereo channel is muted.
bus assignment featuresThe bus assignment section offers considerable flexibility for creating what even-tually becomes the main output mix. Stereo Inputs can be assigned to the inde-pendent Mono bus,the Left-Right buses,or any of the odd-even paired subgroups(1-2,3-4,5-6,7-8).All assignments are derived post-fader, post-eq, and post-mute.Since these are stereo inputs, the assignments are done in stereo: the left-sideinput signal is assigned to the left and odd buses, the right-side signal is assignedto the right and even buses.The Mono bus is fed from a summed mix of the leftand right-side input sources.
Bus Assign
M (Mono)Assigns the summed, post-fader channel signal to the Mono Bus.The pan-potposition does not affect the signal to the Mono bus.
L-R (Left- Right)Assigns the post-fader, pan-pot signals to the Left and Right Buses.
1-2 (Groups 1-2)Assigns the post-fader, pan-pot signals to the Group 1 and Group 2 Buses.
3-4 (Groups 3-4)Assigns the post-fader, pan-pot signals to the Group 3 and Group 4 Buses.
5-6 (Groups 5-6)Assigns the post-fader, pan-pot signals to the Group 5 and Group 6 Buses.
7-8 (Groups 7-8)Assigns the post-fader, pan-pot signals to the Group 7 and Group 8 Buses.
L E D
2
2 HP-Eight owner’s manual stereo inputs
module
rear panel
T= IN +
R= IN –S= CHSL R
STEREO LINE & TAPE INPUTS
STEREO TAPE INPUT A
STEREO TAPE INPUT B
STEREO LINE INPUT 1
STEREO LINE INPUT 2
STEREO LINE INPUT 3
L R
Line Input
TRS+4dBu10KΩ
ElectronicBalancedTape In
-10dBV10KΩ
Unbalanced
RCA Jack
L RL R(MONO)(MONO)
L R(MONO)
L R
L RL R(MONO)(MONO)
block diagram
STEREOLINE IN+4dBu
R
L
RIGHT
LEFT(MONO)
GAIN TRIM-20 TO +20 dB
HPF
HPF
HP-Eight STEREO INPUTS
6
7
8
9
10
7-8PRE
9-10PRE
THREE BAND EQ
LEVEL
LFMIDHF
LEVEL LEVEL
12 KHZ 500 - 10kHz 100 HZ
THREE BAND EQ
LFMIDHF12 KHZ 500 - 10kHz 100 HZ
PEAK
SIG
MONO L-R 1-2 3-4 5-6 7-8
BUS ASSIGNSWITCHES
MUTE
SOLO DC
SOLO LEFT
SOLO RIGHT
PFL
AUX BUS 6
AUX BUS 7
AUX BUS 8
AUX BUS 9
AUX BUS 10
9PRE
AUX BUS 9
AUX BUS 1010
AUXSENDS
RCA JACKS ONINPUTS A & B ONLY
LO CUT72Hz
-18dB/oct
STEREOTAPE IN-10dBV
5 STEREO INPUTS (1-2-3-A-B)LOCATED IN MASTER SECTIONLINE INPUTS 1-2-3: TRS ONLY
TAPE INPUTS A-B: TRS AND RCA
+12
+12
+10
+10
60MMSTEREOFADER
TO MONITORCIRCUITS
(TAPE B ONLY)
GCP GAIN
ROTARYPOT PAD LED
AMP PANELSWITCHFADER
FETSWITCH
BALANCEDDRIVER
ALL SWITCHES SHOWN IN THE UP (DESELECTED) POSITIONAMP(LIFIER) GAIN SHOWN IN DB WHEN NEEDEDWHEN SHOWN: 1/4” TRS SWITCHING JACKS HAVE NORMALLY CLOSED CONTACTSUSER OPTIONS IMPLEMENTED WITH REMOVABLE LINKS AND SOLDER BLOBSDEFAULT OPTION POSITION SHOWN UNDERLINED
GROUND COMPDRIVER
BICOLORLED
1/4” TRSJACK
XLRJACK
THE REALHP
ELECTSWITCH
STANDARD OUTPUT LEVEL IS +4 dBu AT 0 VUPIN 2 HOT ON ALL BALANCED INPUTS AND OUTPUTS (XLR JACKS)FOR UNBALANCED OPERATION:TIE PIN 3 TO PIN 1, USE PIN 2 FOR OUTPUT, PIN 1 FOR GND“Ø” SYMBOL INDICATES POLARITY REVERSE LEGENDS
USER OPTIONS
SOLDERBLOB
FITTEDLINK RCA
JACK
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
G1
+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN A
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2 G
SIG
PK
SIG
PK
S
12V LAMP
SIG
PK
SIG
PK
S
LO CUT
MUTE
1
AFLAFL
AFL AFL
9
10
PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
23
23
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
23
23
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
2
0
1515
8 8
+–
0
1515
8 8
+–
1
MUTE
MUTE
FADERFLIP
F
GRP1AUX1
GRP2AUX2 A
A2A1
G2G1
5-6
7-8
PRE
M1
M2
p.32
p.33
stereo inputs
stereo faderThe stereo inputs are provided with high-quality, 60mm stereo faders. Normalmixing range is around the “0” mark,with up to 10dB fader-boost available whenneeded.
signal monitoring featuresThe stereo inputs are equipped with a bicolor LED that displays the summed,Pre-fader signal level with varying intensity green illumination, and also indicatesimpending channel overload (within 3dB of clipping) by turning red. Clipping issensed both pre and post fader, so even if the fader is down, you will beinformed of any preamp or EQ related overload problems.A PFL (Pre-Fader Listen) switch is provided that lets the operator monitor thestereo input signal in the Console’s Solo system.When depressed, the channel’spre-fader signal sent to the Console’s Solo system (See Master section fordetails on the Solo system functions).The Stereo Inputs are monitored instereo in the Solo system.
PK/Sig LED
Pre-Fader signal (summed L&R) is shown as varying GREEN intensity,channel clipwarning shows RED.
PFL
When this switch is depressed,the stereo pre-fader signal is sent to the Console’sSolo system.The channel LED is lit RED to indicate that the PFL is active.
rear panel connectorsThe connectors associated with all 5 of the Stereo Inputs are located on theMaster rear panel.Line Inputs 1 thru 3 have TRS jacks,Tape Inputs A & B have TRSand RCA inputs.The TRS inputs are balanced, and can accept either balanced orunbalanced signals. On all TRS inputs, the Left input is “normalled” into the Rightjack,allowing mono signals to be fed to both sides of the Stereo input by pluggingthe signal into JUST the Left jack. If nothing is plugged into the Right jack, it willreceive its source from the Left jack. Once a plug is inserted into the Right jack,this “normal” connection is broken and the Right input receives its signal from theRight jack.The RCA inputs do not feature this normalling function, so a Y-cordshould be used to feed both L & R RCA jacks if you are dealing with a monosource.
L E D
2
3 HP-Eight owner’s manual groups
module panel
PRE
R
= GROUPPAN
L
M1
M2
FADERFLIP
G1
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
R
= GROUPPAN
L
G2
SIG
PK
SIG
PK
MUTE
AFL AFL
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
MUTE
FADERFLIP
GRP1AUX1
GRP2AUX2
PRE
M1
M2
block diagram
∑
INT
ER
NA
LR
IBB
ON
SA
ND
INT
ER
-C
ON
NE
CT
S
GR
OU
PIN
SE
RT
-2dB
u
PR
ELE
VE
L
MAT
RIX
SE
ND
SM
1
M2
GR
OU
P (
1-8)
MIX
AM
P
GR
OU
PO
UT
+4d
Bu
GC
MU
TE
∑
AU
XIN
SE
RT
-2dB
u
AU
X (
1-8)
MIX
AM
PA
UX
OU
T+
4dB
u
GC
PE
AK
SIG
ME
TE
RF
EE
D(P
OS
T F
AD
ER
)
PE
AK
SIG
PE
AK
SIG
FAD
ER
FLI
P
GR
OU
PLE
VE
L
AU
XLE
VE
L
+10
+10
GR
OU
PA
SS
IGN
L-R
MO
NO
GR
OU
PPA
N
HP
-Eig
ht
Gro
up
(1
of
8 S
ho
wn
)
AF
L
AF
L
TO M
ON
ITO
RC
IRC
UIT
S
TO M
ON
ITO
RC
IRC
UIT
S
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
G1
+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2 G
SIG
PK
SIG
PK
12V LAMP
SIG
PK
SIG
PK
LO CUT
MUTE
1
AFLAFL
AFL AFL
9
10
PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
0
1515
8 8
+–
0
1515
8 8
+–
MUTE
MUTE
FADERFLIP
GRP1AUX1
GRP2AUX2
A2A1
G2G1
5-6
7-8
PRE
M1
M2
p.34
p.35
groups
groups (audio subgroups)featuresThe HP-Eight is equipped with 8 audio subgroups, in addition to the main L/R andMono mix buses.All of the Inputs (Mono and Stereo) have full assignment capa-bilities to all 11 of these mix buses.Typically, these 8 groups are used to createsub-mixes within the main program, these sub-mixes are then combined to cre-ate the overall mix.The use of groups allows the operator to easily control andmodify collections of instruments or voices. Examples include: drum mixes, back-ground vocals,choir microphones,etc.Since the group assignment is done in odd-even pairs (1-2,3-4,5-6,7-8),stereo subgrouping is typically used.Each input chan-nel’s pan pot is used to create a stereo sub-mix within an odd-even group pair.After assigning related signals to a pair of groups, specific equalization or com-pression can be applied to that collection of signals by patching external process-ing gear into the groups’ insert jacks (stereo EQ or compressors are often used).That processed,stereo-group signal can then be assigned to any of the 3 main mixbuses (L/R/Mono) via the group’s bus assignment switches, to create the final mix.The feed to the L-R buses is Post-fader, Post-mute through the Group Pan-Pot,the assignment to the Mono bus is Post-fader, Post mute; the Pan-Pot is notinvolved.
Group Pan Pot
L-R Bus AssignThe output of the Group feeds the L and R main buses via this Pan Pot, in con-junction with the L-R Bus Assign switch.The feed to the L & R buses is post-fader,post-mute.
Mono Bus AssignThe output of the Group feeds the Mono bus when this switch is depressed.Thefeed to the Mono bus is post-fader, post-mute.
Mute Switch w/LEDThis switch normally will mute the post-fader output of the audio group.The LEDwill illuminate when the mute is active. If the FADER FLIP switch is depressed,then this mute switch will affect the associated Aux output (See Fader Flipdescription).
100mm Fader
This high-quality, 100mm fader is used to control the Group output level.Any Post-fader feeds are affected by this control. Nominal position is atthe “0” mark, with 10dB additional gain available above that point.Whenthe FADER FLIP switch is depressed, this fader will control the associatedAux output level, and the Group output level is then controlled by theAux Level rotary pot (See Fader Flip description following).
5
10
0
5
10
20
30
15
3
3 HP-Eight owner’s manual groups
module panels
PRE
R
= GROUPPAN
L
M1
M2
FADERFLIP
G1
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
R
= GROUPPAN
L
G2
SIG
PK
SIG
PK
MUTE
AFL AFL
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
MUTE
FADERFLIP
GRP1AUX1
GRP2AUX2
PRE
M1
M2
block diagram
∑
INT
ER
NA
LR
IBB
ON
SA
ND
INT
ER
-C
ON
NE
CT
S
GR
OU
PIN
SE
RT
-2dB
u
PR
ELE
VE
L
MAT
RIX
SE
ND
SM
1
M2
GR
OU
P (
1-8)
MIX
AM
P
GR
OU
PO
UT
+4d
Bu
GC
MU
TE
∑
AU
XIN
SE
RT
-2dB
u
AU
X (
1-8)
MIX
AM
PA
UX
OU
T+
4dB
u
GC
PE
AK
SIG
ME
TE
RF
EE
D(P
OS
T F
AD
ER
)
PE
AK
SIG
PE
AK
SIG
FAD
ER
FLI
P
GR
OU
PLE
VE
L
AU
XLE
VE
L
+10
+10
GR
OU
PA
SS
IGN
L-R
MO
NO
GR
OU
PPA
N
HP
-Eig
ht
Gro
up
(1
of
8 S
ho
wn
)
AF
L
AF
L
TO M
ON
ITO
RC
IRC
UIT
S
TO M
ON
ITO
RC
IRC
UIT
S
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
G1
+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN AS
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2
L
G
SIG
PK
SIG
PK
S
P
12V LAMP
SIG
PK
SIG
PK
S
P
LO CUT
MUTE
1
AFLAFL
AFL AFL
9
10
PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
23
4
23
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
23
4
23
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
3
2
0
1515
8 8
+–
0
1515
8 8
+–
1
MUTE
MUTE
FADERFLIP
FAF
GRP1AUX1
GRP2AUX2
GA
A2A1
G2G1
5-6
7-8
PRE
M1
M2
p.36
p.37
groups
Group monitoring featuresWithin this Group section, the 100mm fader is normally in the Group audiopath.This can be changed with the use of the Fader-Flip switch.When theFader-Flip switch is depressed, the corresponding Aux output is controlled bythe 100mm fader (the Group output is then controlled by the correspondingAux rotary pot). Since the actual signal at the fader can be either the GroupOR Aux mix, the Pk/Sig LED and AFL switches will monitor whichever signal isat the fader. In the following text, the uppercase FADER represents this signal.
NOTE:These following controls are ALWAYS fed from the Group audio signal,the Fader-Flip switch does not affect their function.
Matrix Sends M1 & M2:Always fed from post-level/post-mute Group audio,or inPRE position, from the post-insert/pre-level/pre-mute Group audio.Group Pan: Always fed from the post-level/post-mute Group audio.Bus Assignment Mono & L-R:Always fed from the post-level/post-mute Groupaudio.
See next page for Fader-Flip informationSee Matrix section for further matrix information
PK/Sig LED
The FADER is equipped with a bicolor LED that displays the Pre-fader signallevel with varying intensity green illumination, and also indicates impendinggroup overload (within 3dB of clipping) by turning red. Group clipping is sensedboth pre and post fader, so even if the fader is down, you will be informed ofany bus-related overload problems.
AFL
An AFL (After-Fader Listen) switch is provided that lets the operator monitorthe FADER’s signal in the Console’s Solo system.When depressed, the FADER’spost-fader, post-mute signal sent to the Console’s Solo system (See Master sec-tion for details on the Solo system functions).
write-in labelThis filled-area may be written on with a grease-marker, and later wiped cleanwith a cloth moistened with isopropyl or rubbing alcohol.Artist (Board) tape mayalso be applied to this surface, and the tape marked with a Sharpie.
L E D
3
NOTE: Do not write directlyon the Console’s surfacewith a Sharpie or other per-manent marker. Use a china-marker (grease pencil) orother removable markingpencil, or put down a strip ofArtist tape first. Avoid usingstandard masking tape; itdries out and leaves a hard-to-remove glue residue.
+
3
p.38
HP-Eight owner’s manual groups
module panels
FADERFLIP
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
SIG
PK
SIG
PK
MUTE
AFL AFL
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
MUTE
FADERFLIP
GRP1AUX1
GRP2AUX2
block diagram
∑
INT
ER
NA
LR
IBB
ON
SA
ND
INT
ER
-C
ON
NE
CT
S
GR
OU
PIN
SE
RT
-2dB
u
PR
ELE
VE
L
MAT
RIX
SE
ND
SM
1
M2
GR
OU
P (
1-8)
MIX
AM
P
GR
OU
PO
UT
+4d
Bu
GC
MU
TE
∑
AU
XIN
SE
RT
-2dB
u
AU
X (
1-8)
MIX
AM
PA
UX
OU
T+
4dB
u
GC
PE
AK
SIG
ME
TE
RF
EE
D(P
OS
T F
AD
ER
)
PE
AK
SIG
PE
AK
SIG
FAD
ER
FLI
P
GR
OU
PLE
VE
L
AU
XLE
VE
L
+10
+10
GR
OU
PA
SS
IGN
L-R
MO
NO
GR
OU
PPA
N
HP
-Eig
ht
Gro
up
(1
of
8 S
ho
wn
)
AF
L
AF
L
TO M
ON
ITO
RC
IRC
UIT
S
TO M
ON
ITO
RC
IRC
UIT
S
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
G1
+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN AS
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2
L
G
SIG
PK
SIG
PK
S
P
12V LAMP
SIG
PK
SIG
PK
S
P
LO CUT
MUTE
1
AFLAFL
AFL AFL
9
10
PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
23
4
23
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
23
4
23
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
3
2
0
1515
8 8
+–
0
1515
8 8
+–
1
MUTE
MUTE
FADERFLIP
FAF
GRP1AUX1
GRP2AUX2
GA
A2A1
G2G1
5-6
7-8
PRE
M1
M2
A1 A2SIG
PK
SIG
PK
AFLAFL
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
Upper Rotary Controls
Fader Area Controls
p.39
groups
Fader-Flip FunctionUsing the HP-Eight as a Monitor Console
Because of its 10 Aux sends, the HP-Eight can be used as a 10-output Monitormixer. Each input channel can access all of the individual Aux mixes, allowing 10unique mixes to be generated. Normally, the output level of each of these Auxmixes is controlled by the corresponding Aux Master rotary level pot. In situa-tions where the HP-Eight is to be used as a dedicated Monitor Mixer, the 100mmfaders can be switched-over to control the Aux outputs instead of the rotarycontrols by use of the Fader-Flip switch. Other controls, associated with moni-toring the signals, also change functions when this switch is used.
NOTE:These following controls are ALWAYS fed from the Group audio signal,the Fader-Flip switch does not affect their function.
Matrix Sends M1 & M2:Always fed from post-level/post-mute Group audio,or inPRE position, from the post-insert/pre-level/pre-mute Group audio.Group Pan: Always fed from the post-level/post-mute Group audio.Bus Assignment Mono & L-R:Always fed from the post-level/post-mute Groupaudio.
Fader Flip w/LED
When this switch is up (LED Off), the following controls perform theselisted functions:
Mute (w/Led): Mutes the Post-fader Group output100mm Fader: Controls the Group output levelLower AFL switch (below fader): Monitors the Group level via the Solo system
Upper Rotary pot:: Controls the Aux output levelUpper AFL switch: Monitors the Aux level via the Solo system
When this switch is down (LED On), the following controls perform theselisted functions:
Mute (w/Led): Mutes the Post-fader Aux output100mm Fader: Controls the Aux output levelLower AFL switch (below fader): Monitors the Aux level via the Solo system
Upper Rotary pot:: Controls the Group output levelUpper AFL switch: Monitors the Group level via the Solo system
The overall purpose of this flip switch is to give the operator easier access tothe Aux level and control functions. It shifts the Aux controls to the lower,fader-area of the module when used as a Monitor console.The Group controlsare shifted to the upper-rotary area, since the assignable Groups are not oftenused in a Monitor console.
Use the Fader-Flipswitches whenever it isbeneficial to have an Auxlevel control on a fader.These switches can beused individually (if only 1Aux needs to be con-trolled), or all can beswitched when a fullMonitor Console function isdesired.
®
3
3
p.40
HP-Eight owner’s manual groups
module panels
FADERFLIP
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
SIG
PK
SIG
PK
MUTE
AFL AFL
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
MUTE
FADERFLIP
GRP1AUX1
GRP2AUX2
block diagram
∑
INT
ER
NA
LR
IBB
ON
SA
ND
INT
ER
-C
ON
NE
CT
S
GR
OU
PIN
SE
RT
-2dB
u
PR
ELE
VE
L
MAT
RIX
SE
ND
SM
1
M2
GR
OU
P (
1-8)
MIX
AM
P
GR
OU
PO
UT
+4d
Bu
GC
MU
TE
∑
AU
XIN
SE
RT
-2dB
u
AU
X (
1-8)
MIX
AM
PA
UX
OU
T+
4dB
u
GC
PE
AK
SIG
ME
TE
RF
EE
D(P
OS
T F
AD
ER
)
PE
AK
SIG
PE
AK
SIG
FAD
ER
FLI
P
GR
OU
PLE
VE
L
AU
XLE
VE
L
+10
+10
GR
OU
PA
SS
IGN
L-R
MO
NO
GR
OU
PPA
N
HP
-Eig
ht
Gro
up
(1
of
8 S
ho
wn
)
AF
L
AF
L
TO M
ON
ITO
RC
IRC
UIT
S
TO M
ON
ITO
RC
IRC
UIT
S
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
G1
+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN AS
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2
L
G
SIG
PK
SIG
PK
S
P
12V LAMP
SIG
PK
SIG
PK
S
P
LO CUT
MUTE
1
AFLAFL
AFL AFL
9
10
PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
23
4
23
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
23
4
23
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
3
2
0
1515
8 8
+–
0
1515
8 8
+–
1
MUTE
MUTE
FADERFLIP
FAF
GRP1AUX1
GRP2AUX2
GA
A2A1
G2G1
5-6
7-8
PRE
M1
M2
PRE
M1
M2
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
PRE
M1
M2
Matrix Send Controls
Fader Area Controls
p.41
groups
Group mixing featuresAfter using the groups to create the desired sub-mixes, you typically want toroute and combine them with other signals or groups to create various outputmixes.These mixes can be your final house mix (L/R/Mono), a special mix for achoir or vestibule area, or an additional feed tailored specifically for a video orTV broadcast.The two main methods for creating these additional mixes are:1) The bus assignment switches (in conjunction with the Group Pan pot).2) The Matrix Sends
The bus assignment switches take the post-fader/post-mute group signal androutes it to the 3 main output buses.The feed to the L-R buses is alwaysthrough the Group Pan pot, the feed to the Mono bus does not depend onthat pan pot.
The Matrix Send pots allow the user to mix the post-fader/pot-mute groupsignal with other groups plus the 3 main output mixes. If the PRE button ispressed, the signal to the Matrix Send pots is pre-fader/pre-mute.This allows atotally independent output mix to be created, the group fader level will notaffect the Matrix mix.The overall level of the entire Matrix mix is controlled bythe Matrix Masters, located at the far right of the Master section.See Matrix section for further matrix information
NOTE:These following controls are ALWAYS fed from the Group audio signal,the Fader-Flip switch does not affect their function.
Matrix Sends M1 & M2:Always fed from post-level/post-mute Group audio,or inPRE position, from the post-insert/pre-level/pre-mute Group audio.Group Pan: Always fed from the post-level/post-mute Group audio.Bus Assignment Mono & L-R:Always fed from the post-level/post-mute Groupaudio.
Creating additional mixes.There is yet another way to create additional output mixes from theConsole, but it involves using an external mixer (an XR-20 or XRM wouldbe nice).The Groups have their own TRS output jacks that feed the post-fader/post-mute group audio to the outside world.These group outputs canbe fed into an external mixer where they can be combined into as manyoutputs as the external mixer is capable of providing. In effect, you are usingthe external mixer to create additional “Matrix mixes”. Internally, you werelimited to the 2 Matrix sends (M1 and M2), but externally, you no longerhave this limit.The main difference is the feed to the matrix sends: internally,you could choose Pre or Post, externally (using the Group-Out TRS jack)you only have Post available. However, the Group Insert jack can be used toderive a pre-fader signal for use with an external mixer if the Tip and Ringcontacts are tied together in the cable plug.This creates a “borrow-cable”that allows the signal to still flow through the internal audio path of thegroup, but allows the pre-fader, insert-send signal to be used as an externalfeed.
3
Use the Matrix Sendsto create additionalmixes from the 11 mainbuses (8 Groups, Left, Right& Mono). These additionalmixes can be tailored tosuit a specific need, onlymix-in the signals you need,or enhance the main-mix byadding additional instru-ments where needed.
®
If you need more thanthe internal two-matrixmix, you can use the out-puts of the console to cre-ate additional mixes exter-nally. Use the 11 mainbuses (8 Groups, Left, Right& Mono), plus any of the 10Auxes. These additionalmixes can be tailored tosuit a specific need; onlymix-in the signals you need,or enhance the main-mix byadding additional instru-ments or vocals whereneeded.
®
p.42
HP-Eight owner’s manual groups - rear panel
12345678
GROUP OUTPUTS
INSERTINSERTINSERTINSERT
block diagram
∑
INTERNALRIBBONS
ANDINTER-
CONNECTS
GROUPINSERT-2dBu
PRELEVEL
MATRIXSENDS
M1
M2
GROUP (1-8)MIX AMP
GROUPOUT
+4dBuGC
MUTE
∑
AUXINSERT-2dBu
AUX (1-8)MIX AMP
AUXOUT
+4dBu
GC
PEAK
SIG
METERFEED
(POST FADER)
PEAK
SIG
PEAK
SIG
FADER FLIP
GROUPLEVEL
AUXLEVEL
+10
+10
GROUPASSIGN
L-R
MONO
GROUPPAN
LEFT (R)
HP-Eight Group (1 of 8 Shown)
AFL
AFL
TO MONITORCIRCUITS
TO MONITORCIRCUITS
T= Out+R= GND (50Ω)S= CHS
1 23
1= CHS2= OUT +3= OUT –
T= IN +
R= IN –S= CHSL R
T= SendR= RtnS= GND
A U X O U T P U T S
12345678
910
GROUP OUTPUTS
12345678
MONITOR
INSERT
INSERT
MATRIX
1L
2R
OUT OUT
STEREO LINE & TAPE INPUTS
STEREO TAPE INPUT A
STEREO TAPE INPUT B
STEREO LINE INPUT 1
STEREO LINE INPUT 2
STEREO LINE INPUT 3
MAIN OUTPUTS
INSERTLEFT
INSERTRIGHT
INSERTMONO
L R
INSERTINSERT INSERT INSERT
Professional Audio Products
INSERTINSERTINSERT
+4dBu • 50ΩGround-CompImpedance Bal
TRSM - XLR+4dBu100Ω
ElectronicBalanced Line Input
TRS+4dBu10KΩ
ElectronicBalancedTape In
-10dBV10KΩ
Unbalanced
-2dBuUnbal Send • 50ΩUnbal Rtn • 15KΩ
TRS RCA Jack
L RL R(MONO)(MONO)
L R(MONO)
L R
L RL R(MONO)(MONO)
Bus InsertsGrp•Aux OutputsMain Outputs
SERIAL NUMBER
3
Master rear panel
group connectors (on Master rear panel)
p.43
groups
group connectors- rear panelThe HP-Eight group output connections are located on the Master rear outputpanel. Each group features a 1/4” TRS output connector, along with a 1/4” TRSInsert connector.The output is a ground-compensated, impedance-balanced TRSjack. For wiring purposes, treat this connector exactly like a balanced output.When connected to a balanced input,that input will see equal impedance on eachleg.When connected to an unbalanced input, the ground-compensation circuitrywill act to reduce the ground-signal differences between the console and theremote gear.
The TRS Insert jack is wired as Tip=Send, Ring=Return, Sleeve= Audio Gnd.Thisis the “industry-standard” wiring scheme for most single-jack inserts.The Insertsend-point is located directly after the group mix amp,the Insert return feeds thetop of the group fader,or the top of the level pot if Fader-Flip is active (see BlockDiagram).
group output 1/4" TRS jack
The group output signal is available at this output jack.The output jack isimpedance-balanced, ground-compensated.Tip is +Drive, Ring is -Drive Return, Sleeve is Chassis Ground.Send (Drive) impedance is 50ΩRing impedance is 50Ω to Audio GroundNominal Operating Level= +4dBuMax Output Level= +21dBu (into 2kΩ or higher)
insert jack 1/4" TRS jack
This switching 1/4” TRS jack allows an external signal processor to beinserted into the signal path of the group.The tip carries the SEND signal fromthe group, and the ring carries the RETURN signal back to the group.TheInsert-Send point is located directly after the group mix amp, the Return comesback at the top of the group level control.Tip is Send, Ring is Return, Sleeve is Audio Ground.Send (output) impedance is 50ΩReturn (input) impedance is 5KΩNominal Operating Level= -2dBu
NOTE: To avoid any degradation of the HP-Eight’s group signal, any processinggear patched into the group insert jack should have a low impedance output(<100Ω) and must be capable of cleanly driving a 2KΩ load to +21dBu.
3
T= Out+R= GND (50Ω)S= CHS
T= SendR= RtnS= GND+4dBu • 50Ω
Ground-CompImpedance Bal
TRS
-2dBuUnbal Send • 50ΩUnbal Rtn • 15KΩ
TRS
Bus InsertsGrp•Aux Outputs
rear panel legend info
NOTE: The Fader-Flip switchdoes not change the functionof any of the rear-panel jacks.The Group Output and Insertjacks are always locatedhere. Similarly, the AuxOutput and Insert jacksalways retain their samefunction.
+
4
p.44
HP-Eight owner’s manual auxes
module panels
FADERFLIP
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
SIG
PK
SIG
PK
MUTE
AFL AFL
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
MUTE
FADERFLIP
GRP1AUX1
GRP2AUX2
block diagram
∑
INT
ER
NA
LR
IBB
ON
SA
ND
INT
ER
-C
ON
NE
CT
S
GR
OU
PIN
SE
RT
-2dB
u
PR
ELE
VE
L
MAT
RIX
SE
ND
SM
1
M2
GR
OU
P (
1-8)
MIX
AM
P
GR
OU
PO
UT
+4d
Bu
GC
MU
TE
∑
AU
XIN
SE
RT
-2dB
u
AU
X (
1-8)
MIX
AM
PA
UX
OU
T+
4dB
u
GC
PE
AK
SIG
ME
TE
RF
EE
D(P
OS
T F
AD
ER
)
PE
AK
SIG
PE
AK
SIG
FAD
ER
FLI
P
GR
OU
PLE
VE
L
AU
XLE
VE
L
+10
+10
GR
OU
PA
SS
IGN
L-R
MO
NO
GR
OU
PPA
N
HP
-Eig
ht
Gro
up
(1
of
8 S
ho
wn
)
AF
L
AF
L
TO M
ON
ITO
RC
IRC
UIT
S
TO M
ON
ITO
RC
IRC
UIT
S
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
G1
+–
20
12
06
20
12
6
GRP
STEREO LINE INPUT
MF
0
1515
8 8
+– HF
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN AS
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2
L
G
SIG
PK
SIG
PK
S
P
12V LAMP
SIG
PK
SIG
PK
S
P
LO CUT
MUTE
1
AFLAFL
AFL AFL
9
10
PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
23
4
23
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
4
23
4
23
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
3
2
0
1515
8 8
+–
0
1515
8 8
+–
1
MUTE
MUTE
FADERFLIP
FAF
GRP1AUX1
GRP2AUX2
GA
A2A1
G2G1
5-6
7-8
PRE
M1
M2
A1 A2SIG
PK
SIG
PK
AFLAFL
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
Aux Master Controls
Fader Area Controls( for Fader-Flip use )
p.45
auxes
auxes (auxiliary mixes)Ten Aux buses are available for creating individual output mixes from the Inputchannels of the Console.These mixes can be used for driving effects processors,providing monitor mixes, creating broadcast or alternate sound reinforcementmixes,or other special requirements.The Aux buses are fed from the 10 Aux Sendpots on the Mono Input channels, and from the 2 Aux Send pots on the StereoInputs. Pre and Post switches are available for these send pots, along with internaloptions to allow the user to configure the Aux mixes in a variety of ways.
Aux Master Level
This rotary pot is used to control the Aux output level. Nominal position isat the “0” mark, with 10dB additional gain available above that point.When theFADER-FLIP switch is depressed (located next to the 100mm fader),this rotary potwill instead control the associated Group Output level, and the Aux Output level isthen controlled by the 100mm fader (See Fader Flip description on Pg 35 ).
Aux MonitoringThe following controls are used to check the signal level and status of the Auxmix.These controls monitor the audio signal present at the rotary pot.
Normally, this is the Aux bus signal, but if the Fader-Flip switch isdepressed, these same controls will monitor the Group signal, and theAux bus will be monitored by the corresponding Fader-related con-trols.
PK/Sig LED
The rotary pot is equipped with a bicolor LED that displays the Pre-level signalwith varying intensity green illumination, and also indicates impending bus over-load (within 3dB of clipping) by turning red. Clipping is sensed both pre and postlevel control, so even if the control is turned down, you will be informed of anybus-related overload problems.
AFL
An AFL (After-Fader Listen) switch is provided that lets the operator monitor therotary pot’s signal in the Console’s Solo system.When depressed, the post-fader,post-mute signal sent to the Console’s Solo system (See Master section fordetails on the Solo system functions).
L E D
4
p.46
HP-Eight owner’s manual auxes - rear panel
A U X O U T P U T S910 12345678
INSERT
S
S
INSERTINSERT INSERT INSERT
block diagram
∑
INTERNALRIBBONS
ANDINTER-
CONNECTS
GROUPINSERT-2dBu
PRELEVEL
MATRIXSENDS
M1
M2
GROUP (1-8)MIX AMP
GROUPOUT
+4dBuGC
MUTE
∑
AUXINSERT-2dBu
AUX (1-8)MIX AMP
AUXOUT
+4dBu
GC
PEAK
SIG
METERFEED
(POST FADER)
PEAK
SIG
PEAK
SIG
FADER FLIP
GROUPLEVEL
AUXLEVEL
+10
+10
GROUPASSIGN
L-R
MONO
GROUPPAN
LEFT (R)
HP-Eight Group (1 of 8 Shown)
AFL
AFL
TO MONITORCIRCUITS
TO MONITORCIRCUITS
T= Out+R= GND (50Ω)S= CHS
1 23
1= CHS2= OUT +3= OUT –
T= IN +
R= IN –S= CHSL R
T= SendR= RtnS= GND
A U X O U T P U T S
12345678
910
GROUP OUTPUTS
12345678
MONITOR
INSERT
INSERT
MATRIX
1L
2R
OUT OUT
STEREO LINE & TAPE INPUTS
STEREO TAPE INPUT A
STEREO TAPE INPUT B
STEREO LINE INPUT 1
STEREO LINE INPUT 2
STEREO LINE INPUT 3
MAIN OUTPUTS
INSERTLEFT
INSERTRIGHT
INSERTMONO
L R
INSERTINSERT INSERT INSERT
Professional Audio Products
INSERTINSERTINSERT
+4dBu • 50ΩGround-CompImpedance Bal
TRSM - XLR+4dBu100Ω
ElectronicBalanced Line Input
TRS+4dBu10KΩ
ElectronicBalancedTape In
-10dBV10KΩ
Unbalanced
-2dBuUnbal Send • 50ΩUnbal Rtn • 15KΩ
TRS RCA Jack
L RL R(MONO)(MONO)
L R(MONO)
L R
L RL R(MONO)(MONO)
Bus InsertsGrp•Aux OutputsMain Outputs
SERIAL NUMBER
4
Master rear panel
aux connectors (on Master rear panel)
p.47
auxes
aux connectors- rear panelThe HP-Eight Aux output connections are located on the Master rear outputpanel.Each Aux features a 1/4” TRS output connector,along with a 1/4” TRS Insertconnector.The output is a ground-compensated, impedance-balanced TRS jack.For wiring purposes, treat this connector exactly like a balanced output.Whenconnected to a balanced input, that input will see equal impedance on each leg.When connected to an unbalanced input, the ground-compensation circuitry willact to reduce the ground-signal differences between the console and the remotegear.
The TRS Insert jack is wired as Tip=Send, Ring=Return, Sleeve= Audio Gnd.Thisis the “industry-standard” wiring scheme for most single-jack inserts.The Insertsend-point is located directly after the aux mix amp, the Insert return feeds thetop of the level pot, or the top of the 100mm fader if Fader-Flip is active (seeBlock Diagram).
aux output 1/4" TRS jack
The aux output signal is available at this output jack.The output jack isimpedance-balanced, ground-compensated.Tip is +Drive, Ring is -Drive Return, Sleeve is Chassis Ground.Send (Drive) impedance is 50ΩRing impedance is 50Ω to Audio GroundNominal Operating Level= +4dBuMax Output Level= +21dBu (into 2kΩ or higher)
insert jack 1/4" TRS jack
This switching 1/4” TRS jack allows an external signal processor to beinserted into the signal path of the aux bus.The tip carries the SEND signalfrom the aux, and the ring carries the RETURN signal back to the aux.TheInsert-Send point is located directly after the aux mix amp, the Return comesback at the top of the aux level control.Tip is Send, Ring is Return, Sleeve is Audio Ground.Send (output) impedance is 50ΩReturn (input) impedance is 5KΩNominal Operating Level= -2dBu
NOTE: To avoid any degradation of the HP-Eight’s aux signal, any processinggear patched into the insert jack should have a low impedance output (<100Ω)and must be capable of cleanly driving a 2KΩ load to +21dBu.
4
T= Out+R= GND (50Ω)S= CHS
T= SendR= RtnS= GND+4dBu • 50Ω
Ground-CompImpedance Bal
TRS
-2dBuUnbal Send • 50ΩUnbal Rtn • 15KΩ
TRS
Bus InsertsGrp•Aux Outputs
rear panel legend info
NOTE: The Fader-Flip switchdoes not change the functionof any of the rear-panel jacks.The Aux Output and Insertjacks are always locatedhere. Similarly, the GroupOutput and Insert jacksalways retain their samefunction.
+
5 HP-Eight owner’s manual left - right
module panel
M
BUSASSIGN
M
BUSASSIGN
LEFT
SIG
PK
SIG
PK
AFL AFL
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
MUTE MUTE
FADERFLIP
FADERFLIP
LEFTAUX9
RIGHTAUX10
RIGHT
PRE
M1
M2
PRE
M1
M2
block diagram
∑
LEF
T (
R)
INS
ER
T-2
dBu
PR
ELE
VE
L
MAT
RIX
SE
ND
SM
1
M2
LEF
T(R
)M
IX A
MP
FAD
ER
MU
TE
∑
AU
XIN
SE
RT
-2dB
u
AU
X 9
(10
)M
IX A
MP
AU
XO
UT
+4d
Bu
GC
PE
AK
SIG
PE
AK
SIG
PE
AK
SIG
FAD
ER
FLI
P
LEF
T (
RIG
HT
)LE
VE
L
AU
X 9
(10
)LE
VE
L
+10
+10
L (R
)A
SS
IGN
MO
NO
HP
-Eig
ht
Lef
t &
Rig
ht
: L
eft
Sh
ow
n
LEF
T (
R)
BA
L O
UT
+4d
Bu
AF
L
AF
L
MO
NO
INS
ER
TM
ON
OH
P-E
igh
tM
on
oB
us
TO M
ON
ITO
RC
IRC
UIT
S(P
RE
FA
DE
R)
ME
TE
RF
EE
D(P
OS
T F
AD
ER
)
TO M
ON
ITO
RC
IRC
UIT
S(P
RE
FA
DE
R)
A9 A10
STEREO TAPE INPUT
9
10
BUSASSIGN
M
BUSASSIGN
M
BUSASSIGN
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
LEFT
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
LO CUT MUTE
B
B
PFL
AFL AFL
AFL AFL
DS
10
5
0
5
10
15
20
30
0
5
0
5
0
5
0
0
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
0
0
5
0
0
0
5
0
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
LF
MF
HF0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
+–
20
12
06
20
12
6
MUTE MUTE
GAIN
FADERFLIP
FADERFLIP
LEFTAUX9
RIGHTAUX10
RIGHT
AUX SENDS
PRE
A9 A10
L R
L-R
M
3-4
1-2
GRP
5-6
7-8
PRE
M1
M2
PRE
M1
M2
p.48
p.49
left - right
left & right (main audio buses)featuresThe HP-Eight is equipped with 3 main audio buses, in addition to the 8 audio sub-groups.This section of the manual deals with 2 of those 3 main buses- Left & Right.The Mono bus will be described later,The assignment to the L-R buses is alwaysthrough a pan-pot, either from the Mono or Stereo input channels, or from the 8audio subgroups.Typically, these 2 main buses are used to create the overall stereomix.
Mute Switch w/LED
This switch normally will mute the post-fader output of the L or R audio bus.The LED will illuminate when the mute is active. If the FADER FLIP switch isdepressed,then this mute switch will affect the associated Aux output (See Fader Flipdescription).
Mono Bus Assign
The output of the Left or Right feeds the Mono bus when this switch isdepressed.The feed to the Mono bus is post-fader, post-mute.
100mm Fader
This high-quality, 100mm fader is used to control the main output level.AnyPost-fader feeds are affected by this control. Nominal position is at the “0”mark,with 10dB additional gain available above that point.When the FADERFLIP switch is depressed, this fader will control the associated Aux Outputlevel, and the Main Output level is then controlled by the Aux Level rotarypot (See Fader Flip description following).
PK/Sig LED
The FADER is equipped with a bicolor LED that displays the Pre-fader signal levelwith varying intensity green illumination, and also indicates impending group over-load (within 3dB of clipping) by turning red. audio clipping is sensed both pre andpost fader, so even if the fader is down, you will be informed of any bus-relatedoverload problems.
AFL
An AFL (After-Fader Listen) switch is provided that lets the operator monitor theFADER’s signal in the Console’s Solo system.When depressed, the FADER’s post-fader, post-mute signal sent to the Console’s Solo system (See Master section fordetails on the Solo system functions).
write-in labelThis filled-area may be written on with a grease-marker, and later wiped clean witha cloth moistened with isopropyl or rubbing alcohol.Artist (Board) tape may also beapplied to this surface, and the tape marked with a Sharpie.
L E D
5
10
0
5
10
20
30
15
5
NOTE: Do not write directlyon the Console’s surface witha Sharpie or other permanentmarker. Use a china-marker(grease pencil) or otherremovable marking pencil, orput down a strip of Artist tapefirst. Avoid using standardmasking tape; it dries out andleaves a hard-to-remove glueresidue.
+
p.50
module panels
M
BUSASSIGN
M
BUSASSIGN
SIG
PK
SIG
PK
AFL AFL
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
0
0
5
0
0
0
5
0
MUTE MUTE
FADERFLIP
FADERFLIP
LEFTAUX9
RIGHTAUX10
block diagram
∑
LEF
T (
R)
INS
ER
T-2
dBu
PR
ELE
VE
L
MAT
RIX
SE
ND
SM
1
M2
LEF
T(R
)M
IX A
MP
FAD
ER
MU
TE
∑
AU
XIN
SE
RT
-2dB
u
AU
X 9
(10
)M
IX A
MP
AU
XO
UT
+4d
Bu
GC
PE
AK
SIG
PE
AK
SIG
PE
AK
SIG
FAD
ER
FLI
P
LEF
T (
RIG
HT
)LE
VE
L
AU
X 9
(10
)LE
VE
L
+10
+10
L (R
)A
SS
IGN
MO
NO
HP
-Eig
ht
Lef
t &
Rig
ht
: L
eft
Sh
ow
n
LEF
T (
R)
BA
L O
UT
+4d
Bu
AF
L
AF
L
TO M
ON
ITO
RC
IRC
UIT
S(P
RE
FA
DE
R)
ME
TE
RF
EE
D(P
OS
T F
AD
ER
)
TO M
ON
ITO
RC
IRC
UIT
S(P
RE
FA
DE
R)
A9 A10
STEREO TAPE INPUT
9
10
BUSASSIGN
M
BUSASSIGN
M
BUSASSIGN
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
LEFT
SIG
PK
SIG
PK
S
P
SIG
PK
SIG
PK
S
P
SIG
PK
LO CUT MUTE
B
B
PFL
AFL AFL
AFL AFL
DCST
A
10
5
0
5
10
15
20
30
0
5
0
5
0
5
0
0
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
0
0
5
0
0
0
5
0
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
23
23
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
3
2
LF
MF
HF0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
+–
20
12
06
20
12
6
MUTE MUTE
GAIN
FADERFLIP
FADERFLIP
LEFTAUX9
RIGHTAUX10
RIGHT M
AUX SENDS
PRE
A9 A10
L R
L-R
M
3-4
1-2
GRP
5-6
7-8
1
2
PRE
M1
M2
PRE
M1
M2
A9 A10SIG
PK
SIG
PK
AFL AFL
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
Upper Rotary Controls
Fader Area Controls
5 HP-Eight owner’s manual left - right
p.51
Fader-Flip FunctionUsing the HP-Eight as a Monitor Console
Because of its 10 Aux sends, the HP-Eight can be used as a 10-output Monitor mixer.Each input channel can access all of the individual Aux mixes, allowing 10 unique mixesto be generated. Normally, the output level of each of these Aux mixes is controlled bythe corresponding Aux Master rotary level pot. In situations where the HP-Eight is tobe used as a dedicated Monitor Mixer, the 100mm faders can be switched-over to con-trol the Aux outputs instead of the rotary controls by use of the Fader-Flip switch.Othercontrols, associated with monitoring the signals, also change functions when this switchis used.
NOTE:These following controls are ALWAYS fed from the L-R main audio signal, theFader-Flip switch does not affect their function.
Matrix Sends M1 & M2:Always fed from post-level/post-mute main audio,or in PRE posi-tion, from the post-insert/pre-level/pre-mute main audio.Bus Assignment Mono:Always fed from the post-level/post-mute main audio.
The Matrix Send pots allow the user to mix the post-fader/post-mute main signalwith other 2 main outputs, plus the 8 groups. If the PRE button is pressed, the signalto the Matrix Send pots is pre-fader/pre-mute.This allows a totally independent out-put mix to be created, the main fader level will not affect the Matrix mix.The overalllevel of the entire Matrix mix is controlled by the Matrix Masters, located at the farright of the Master section.See Matrix section for further matrix information
Fader Flip w/LED
When this switch is up (LED Off), the following controls perform these listedfunctions:
Mute (w/Led): Mutes the Post-fader main output100mm Fader: Controls the main audio output levelLower AFL switch(below fader): Monitors the main audio level via the Solo system
Upper Rotary pot: Controls the Aux output levelUpper AFL switch: Monitors the Aux level via the Solo system
When this switch is down (LED On), the following controls perform these listedfunctions:
Mute (w/Led): Mutes the Post-fader Aux (9 or 10) output100mm Fader: Controls the Aux output levelLower AFL switch (below fader): Monitors the Aux level via the Solo system
Upper Rotary pot:: Controls the main (L or R) output levelUpper AFL switch: Monitors the audio level via the Solo system
The overall purpose of this flip switch is to give the operator easier access to the Auxlevel and control functions. It shifts the Aux controls to the lower, fader-area of themodule when used as a Monitor console.The main audio controls are shifted to theupper-rotary area.
Use the Fader-Flipswitches whenever it isbeneficial to have an Auxlevel control on a fader.These switches can beused individually (if only 1Aux needs to be con-trolled), or all can beswitched when a fullMonitor Console function isdesired.
®
left - right 5
5 HP-Eight owner’s manual left - right
p.52
MAIN OUTPUTS
INSERTLEFT
INSERTRIGHT
block diagram
∑
LEFT (R)INSERT-2dBu
PRELEVEL
MATRIXSENDS
M1
M2
LEFT(R)MIX AMP
FADERMUTE
∑
AUXINSERT-2dBu
AUX 9 (10)MIX AMP
AUXOUT
+4dBu
GC
PEAK
SIG
PEAK
SIG
PEAK
SIG
FADER FLIP
LEFT (RIGHT)LEVEL
AUX 9 (10)LEVEL
+10
+10
L (R)ASSIGNMONO
HP-Eight Left & Right : Left Shown
LEFT (R)BAL OUT
+4dBu
AFL
AFL
MONO
TO MONITORCIRCUITS
(PRE FADER)
METERFEED
(POST FADER)
TO MONITORCIRCUITS
(PRE FADER)
T= Out+R= GND (50Ω)S= CHS
1 23
1= CHS2= OUT +3= OUT –
T= IN +
R= IN –S= CHSL R
T= SendR= RtnS= GND
A U X O U T P U T S
12345678
910
GROUP OUTPUTS
12345678
MONITOR
INSERT
INSERT
MATRIX
1L
2R
OUT OUT
STEREO LINE & TAPE INPUTS
STEREO TAPE INPUT A
STEREO TAPE INPUT B
STEREO LINE INPUT 1
STEREO LINE INPUT 2
STEREO LINE INPUT 3
MAIN OUTPUTS
INSERTLEFT
INSERTRIGHT
INSERTMONO
L R
INSERTINSERT INSERT INSERT
Professional Audio Products
INSERTINSERTINSERT
+4dBu • 50ΩGround-CompImpedance Bal
TRSM - XLR+4dBu100Ω
ElectronicBalanced Line Input
TRS+4dBu10KΩ
ElectronicBalancedTape In
-10dBV10KΩ
Unbalanced
-2dBuUnbal Send • 50ΩUnbal Rtn • 15KΩ
TRS RCA Jack
L RL R(MONO)(MONO)
L R(MONO)
L R
L RL R(MONO)(MONO)
Bus InsertsGrp•Aux OutputsMain Outputs
SERIAL NUMBER
Master rear panel
main bus connectors (on Master rear panel)
left - right 5
p.53
L-R connectors- rear panelThe HP-Eight L-R output connections are located on the Master rear outputpanel. Each output features a male XLR output connector, along with a 1/4” TRSInsert connector.The output is a cross-coupled, balanced XLR jack.
The TRS Insert jack is wired as Tip=Send, Ring=Return, Sleeve= Audio Gnd.Thisis the “industry-standard” wiring scheme for most single-jack inserts.The Insertsend-point is located directly after the main mix amp, the Insert return feeds thetop of the 100mm fader, or the top of the rotary level pot if Fader-Flip is active(see Block Diagram).
main L-R output - male XLR jack
The main output signal is available at this output jack.Pin2 is +Drive, Pin3 is -Drive, Pin1 is Chassis Ground.Drive impedance is (50Ω each leg) Nominal Operating Level= +4dBuMax Output Level= +26dBu (into 2kΩ or higher)
insert jack 1/4" TRS jack
This switching 1/4” TRS jack allows an external signal processor to beinserted into the signal path of the main audio bus.The tip carries the SENDsignal from the bus, and the ring carries the RETURN signal back to the aux.The Insert-Send point is located directly after the main mix amp, the Returncomes back at the top of the main level control.Tip is Send, Ring is Return, Sleeve is Audio Ground.Send (output) impedance is 50ΩReturn (input) impedance is 5KΩNominal Operating Level= -2dBu
NOTE: To avoid any degradation of the HP-Eight’s signal path, any processinggear patched into the insert jack should have a low impedance output (<100Ω)and must be capable of cleanly driving a 2KΩ load to +21dBu.
1 23
1= CHS2= OUT +3= OUT –
M - XLR+4dBu100Ω
ElectronicBalanced Main Outputs
rear panel legend info
NOTE: The Fader-Flip switchdoes not change the functionof any of the rear-panel jacks.The L-R Output and Insertjacks are always locatedhere. Similarly, the Aux 9-10Output and Insert jacksalways retain their samefunction.
+
T= SendR= RtnS= GND -2dBu
Unbal Send • 50ΩUnbal Rtn • 15KΩ
TRS
Bus Inserts
6 HP-Eight owner’s manual mono output
module panel
M
F
5
10
0
5
10
20
30
15
50
SIG
PK
AFL
5
0
0
5
0
0
0
5
0
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
MUTE
MONO
PRE
M1
M2
block diagram
∑
MO
NO
INS
ER
T-2
dBu
PR
ELE
VE
L
MAT
RIX
SE
ND
S
M1
M2
MO
NO
MIX
AM
P
MO
NO
MU
TE
PE
AK
SIG
ME
TE
R
PE
AK
SIG
MO
NO
LEV
EL
+10
HP
-Eig
ht
Mo
no
Bu
s
MO
NO
BA
L O
UT
+4d
Bu
AF
L
TO M
ON
ITO
RC
IRC
UIT
S(P
RE
FA
DE
R)
12
21
6
9
–3
+36
0
24
1815
9
L SOLO
M1
32
M
M A T R I X M A
P
1
3
5
7
1009
2 8
64
SOURCESELECT(MIXED)
GRP 7-8
GRP 5-6
GRP 3-4
GRP 1-2
L - R
MONO
TAPE B
SOLOOFF
SUMMONO
32
TM O N I T O R
LEVEL
FOS
5
10
0
5
10
20
30
15
50
SIG
PK
12V LAMP
SIG
PK
S
P
AFL
AFL
M O N I T O R S
DC-PWRSTATUS
+18 -18 +1
ALL SOURCES PRE
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
30
20
100
10•
6+
–
3
20
MUTE
MONO
1
2
PRE
M1
M2
p.54
p.55
mono output
mono (main audio bus)featuresThe HP-Eight is equipped with 3 main audio buses, in addition to the 8 audio sub-groups.This section of the manual deals with 1 of those 3 main buses- the Mono bus.The Mono bus is directly assignable from all of the Mono and Stereo Inputs, the 8audio subgroups and the L-R main buses.
Since the Mono bus is directly-assignable from all input sources, and not a derived,summed L-R mix, a variety of uses are possible:Center-cluster feed in a L-C-R churchinstall,subwoofer feed- assign only the appropriate, low-freq sources to the bus,or useit to sum the L-R mixes to create a mono mix.
The Matrix Send pots allow the user to mix the post-fader/pot-mute Mono signalwith other 2 main outputs, plus the 8 groups. If the PRE button is pressed, the signalto the Matrix Send pots is pre-fader/pre-mute.This allows a totally independent out-put mix to be created, the main fader level will not affect the Matrix mix.The overalllevel of the entire Matrix mix is controlled by the Matrix Masters, located at the farright of the Master section.See Matrix section for further matrix information
Mute Switch w/LED
This switch will mute the post-fader output of the Mono audio bus.The LEDwill illuminate when the mute is active.
100mm Fader
This high-quality, 100mm fader is used to control the main output level.AnyPost-fader feeds are affected by this control. Nominal position is at the “0”mark, with 10dB additional gain available above that point.
PK/Sig LED
The FADER is equipped with a bicolor LED that displays the Pre-fader signal levelwith varying intensity green illumination, and also indicates impending audio overload(within 3dB of clipping) by turning red.Audio clipping is sensed both pre and postfader, so even if the fader is down, you will be informed of any bus-related overloadproblems.
AFL
An AFL (After-Fader Listen) switch is provided that lets the operator monitor theaudio signal in the Console’s Solo system.When depressed, the Mono’s post-fader,post-mute signal sent to the Console’s Solo system (See Master section for detailson the Solo system functions).
write-in labelThis filled-area may be written on with a grease-marker, and later wiped clean with acloth moistened with isopropyl or rubbing alcohol.Artist (Board) tape may also beapplied to this surface, and the tape marked with a Sharpie.
L E D
5
10
0
5
10
20
30
15
6
NOTE: Do not write directlyon the Console’s surface witha Sharpie or other permanentmarker. Use a china-marker(grease pencil) or otherremovable marking pencil, orput down a strip of Artist tapefirst. Avoid using standardmasking tape; it dries out andleaves a hard-to-remove glueresidue.
+
All Mono and StereoInputs, along with the 8groups and L-R, can bedirectly assigned to theMono bus.
®
Use the Matrix Sendsto create additional mixesfrom the 11 main buses (8Groups, Left, Right &Mono). These additionalmixes can be tailored tosuit a specific need, onlymix-in the signals you need,or enhance the main-mix byadding additional instru-ments where needed.
®
p.56
1 23
1= CHS2= OUT +3= OUT –
INSERTMONO
M - XLR+4dBu100Ω
ElectronicBalanced Main Outputs
block diagram
∑
MONOINSERT-2dBu
PRELEVEL
MATRIXSENDS
M1
M2
MONOMIX AMP
MONOMUTE
PEAK
SIG
METER
PEAK
SIG
MONOLEVEL
+10
HP-Eight Mono Bus
MONOBAL OUT
+4dBu
AFL
TO MONITORCIRCUITS
(PRE FADER)
T= Out+R= GND (50Ω)S= CHS
1 23
1= CHS2= OUT +3= OUT –
T= IN +
R= IN –S= CHSL R
T= SendR= RtnS= GND
A U X O U T P U T S
12345678
910
GROUP OUTPUTS
12345678
MONITOR
INSERT
INSERT
MATRIX
1L
2R
OUT OUT
STEREO LINE & TAPE INPUTS
STEREO TAPE INPUT A
STEREO TAPE INPUT B
STEREO LINE INPUT 1
STEREO LINE INPUT 2
STEREO LINE INPUT 3
MAIN OUTPUTS
INSERTLEFT
INSERTRIGHT
INSERTMONO
L R
INSERTINSERT INSERT INSERT
Professional Audio Products
INSERTINSERTINSERT
+4dBu • 50ΩGround-CompImpedance Bal
TRSM - XLR+4dBu100Ω
ElectronicBalanced Line Input
TRS+4dBu10KΩ
ElectronicBalancedTape In
-10dBV10KΩ
Unbalanced
-2dBuUnbal Send • 50ΩUnbal Rtn • 15KΩ
TRS RCA Jack
L RL R(MONO)(MONO)
L R(MONO)
L R
L RL R(MONO)(MONO)
Bus InsertsGrp•Aux OutputsMain Outputs
SERIAL NUMBER
Master rear panel
Mono output connector (on Master rear panel)
6 HP-Eight owner’s manual mono output
p.57
Mono connectors- rear panelThe HP-Eight Mono output connections are located on the Master rear outputpanel.The output features a male XLR output connector, along with a 1/4” TRSInsert connector.The output is a cross-coupled, balanced XLR jack.
The TRS Insert jack is wired as Tip=Send, Ring=Return, Sleeve= Audio Gnd.Thisis the “industry-standard” wiring scheme for most single-jack inserts.The Insertsend-point is located directly after the main mix amp, the Insert return feeds thetop of the 100mm fader.
main Mono output - male XLR jack
The main output signal is available at this output jack.Pin2 is +Drive, Pin3 is -Drive, Pin1 is Chassis Ground.Drive impedance is (50Ω each leg) Nominal Operating Level= +4dBuMax Output Level= +26dBu (into 2kΩ or higher)
insert jack 1/4" TRS jack
This switching 1/4” TRS jack allows an external signal processor to beinserted into the signal path of the main audio bus.The tip carries the SENDsignal from the bus, and the ring carries the RETURN signal back to the aux.The Insert-Send point is located directly after the main mix amp, the Returncomes back at the top of the main level control.Tip is Send, Ring is Return, Sleeve is Audio Ground.Send (output) impedance is 50ΩReturn (input) impedance is 5KΩNominal Operating Level= -2dBu
NOTE: To avoid any degradation of the HP-Eight’s signal path, any processinggear patched into the insert jack should have a low impedance output (<100Ω)and must be capable of cleanly driving a 2KΩ load to +21dBu.
1 23
1= CHS2= OUT +3= OUT –
M - XLR+4dBu100Ω
ElectronicBalanced Main Outputs
rear panel legend info
T= SendR= RtnS= GND -2dBu
Unbal Send • 50ΩUnbal Rtn • 15KΩ
TRS
Bus Inserts
mono output 6
p.58
R MATRIX
1
2
OUT
block diagrams
PRELEVEL
MATRIXSENDS
M1
M2
L-RGROUP
PAN
AFL
TO MONITOR
T= Out+R= GND (50Ω)S= CHS
1 23
1= CHS2= OUT +3= OUT –
T= IN +
R= IN –S= CHSL R
T= SendR= RtnS= GND
A U X O U T P U T S
12345678
910 12345678
INSERT
INSERT
1L
2R
OUT OUT
STEREO TAPE INPUT A
STEREO TAPE INPUT B
STEREO LINE INPUT 1
STEREO LINE INPUT 2
STEREO LINE INPUT 3
INSERTLEFT
INSERTRIGHT
INSERTMONO
L R
INSERTINSERT INSERT INSERT
Professional Audio Products
INSERTINSERTINSERT
+4dBu • 50ΩGround-CompImpedance Bal
TRSM - XLR+4dBu100Ω
ElectronicBalanced Line Input
TRS+4dBu10KΩ
ElectronicBalancedTape In
-10dBV10KΩ
Unbalanced
-2dBuUnbal Send • 50ΩUnbal Rtn • 15KΩ
TRS RCA Jack
L RL R(MONO)(MONO)
L R(MONO)
L R
L RL R(MONO)(MONO)
Bus InsertsGrp•Aux OutputsMain Outputs
SERIAL NUMBER
Master rear panel
Matrix output connectors (on Master rear panel)
7 HP-Eight owner’s manual matrix mix
PRE
= GROUPPAN
M1
M2
G1
F
M A T R I X S E N D S
= GROUPPAN
G2 = GROUPPAN
G3 = GROUPPAN
G4 = GROUPPAN
G5 = GROUPPAN
G6 = GROUPPAN
G7 = GROUPPAN
G8 LEFT
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
RIGHT MONO
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
Matrix Sends- Master Module Top Panel
M1 M2
M A T R I X M A S T E R S
SIG
PK
SIG
PK
AFL AFL
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
∑
MATRIXMIX AMP
MATRIXOUT
+4dBu
GCPEAK
SIG
MATRIXLEVEL
+10AFL
HP-Eight Matrix Out (1 of 2 Shown)
TO MONITORCIRCUITS
(PRE FADER)
Matrix Sends (typical) Matrix Master
p.59
Matrix MixThe HP-Eight features a 2-output Matrix section. Each Matrix can consist of amixture of any of the 11 main mix buses: the 8 audio subgroups, Left, Right andMono.Each of these main buses feed the 2 matrix buses through individual MatrixSend pots, all located within the Master module, above the fader of the associat-ed bus.These Sends were described in each of the previous sections describingthe various buses.
Each Matrix mix can be used to create a unique combination of the various sub-mixes within the console.Pre or Post fader mixes are possible with the use of thePRE switches associated with the Matrix Send pots of each of the buses.Thematrix outputs can be tailored to create the proper mix needed for each appli-cation.Typical uses are: Creating a vocal-rich feed for a video recording, a lower-level feed for the vestibule or waiting room, a room-independent mix for a per-formance video, etc.
matrix output 1/4" TRS jack
The matrix output signal is available at this output jack.The jack isimpedance-balanced, ground-compensated.Tip is +Drive, Ring is -Drive Return, Sleeve is Chassis Ground.Send (Drive) impedance is 50ΩRing impedance is 50Ω to Audio GroundNominal Operating Level= +4dBuMax Output Level= +21dBu (into 2kΩ or higher)
rear panel legend info
T= Out+R= GND (50Ω)S= CHS
T= SendR= RtnS= GND+4dBu • 50Ω
Ground-CompImpedance Bal
TRS
-2dBuUnbal Send • 50ΩUnbal Rtn • 15KΩ
TRS
Bus InsertsGrp•Aux Outputs
matrix mix 7
8 HP-Eight owner’s manual master section
p.60
Monitor Section
1
3
5
7
1009
2 8
64
SOURCESELECT(MIXED)
GRP 7-8
GRP 5-6
GRP 3-4
GRP 1-2
L - R
MONO
TAPE B
SOLOOFF
SUMMONO
M O N I T O R
LEVEL
ALL SOURCES PRE
0
0
5
0
0
Master Module Top Panel Sections
Solo Section
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
3–
3+6
0
24
1815
9
L RSOLO
Talkback Section
TALKON
GRP 1-8
L - R
MONO
AUX 1-2
AUX 3-4
AUX 5-6
AUX 7-8
AUX 9-10
1
3
5
7
1009
2 8
64
LEVEL
TA L K B A C K
SEND TB TO
TBINPUT
Mute Scenes
MUTE SCENEMASTERS
A
B
C
D
Headphones
1
3
5
7
1009
2 8
64
P H O N E S
LEVEL
FOLLOWS MONITORSOURCE SELECT
0
Output Metering
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
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FADER OUTPUT LEVEL
DCST
A9 A10A8A7A6A5A4A3A2A1
L RG8G7G6G5G4G3G2G1
master section 8
p.61
Master Section: Monitoring & ControlOverview
The HP-Eight is equipped with versatile monitoring, talkback and muting sections that allow theoperator to monitor and control the various signals within the Console.A brief overview of eachis presented, then each section will be described on its own.
Monitor SectionThe dedicated Monitor Section allows the user to listen to and view the various signals operatingwithin the Console.This section consists of: the monitor select circuitry and dual LED meters,the Solo system, and the headphone system.To better control the overall operation of the HP-Eight, the user should ensure that the signalswithin the console are being mixed as intended, and are operating within the proper limits.TheMonitor section allows the operator to select any of the main mix buses (alone or in combina-tion), and then listen to and view the levels of those signals.A pair of TRS output jacks are provid-ed to feed these signals to an external amplifier/speaker system.Those rear-panel jacks are con-trolled by the Monitor Level pot.
Solo SystemEach Input and Output circuit of the console is equipped with a Solo switch. For the Inputs, thisswitch is labeled PFL (Pre-Fader-Listen), for the Outputs,AFL (After-Fader-Listen). Both types ofthese switches feed the associated Input or Output signal into the Console’s Solo bus.The SoloSystem feeds the Monitor Section and allows the operator to listen to and view that solo'd sig-nal.The Solo bus is a summing bus which will mix all selected signals together: if multiple Soloswitches are depressed, the user will hear that mixture.The Solo signal is displayed on the L & RSolo Meters (shared with the Monitor Section)
Headphone SystemThe headphone system is normally fed by the Monitor Section.Whatever is selected there canbe listened to on the headphones. If the Solo System becomes active, the headphones automati-cally switch-over to monitor the Solo bus.
Talkback SectionThe operator can use the built-in facilities of the HP-Eight to talk to the main, group or auxbuses in the console. Often times the operator will need to selectively communicate with a per-former, or slate a performance during a recording.The talkback section, with its own microphoneinput jack, can be used for this purpose.
Mute Scene SectionThe HP-Eight provides 4 manual mute scenes. Each of the Mono Input channels can be assignedto any of these scenes, allowing for selective muting control of different groups of input channels.Different collections of voices or instruments can be grouped together for overall muting, or dif-ferent mute scenes can be constructed for the various sections of a performance.
Output Metering10 dedicated LED meters show the output level of whatever signal is being controlled by the100mm faders. Normally the 8 Group outputs, along with L&R are displayed. If a Fader-Flipswitch is depressed, that corresponding Aux output is displayed instead.
8 HP-Eight owner’s manual master section
p.62
block diagrams Module Top Panel
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L RSOLO
M O N I T O R S O U R C E
∑
∑
SOLOAUDIO
SOLOMIX
AMPS
RON
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METER SWITCHINGLOGIC
SOLO
SOLO DC
MONITOR SOURCEL SOLO R
TAPE B
MONO
L - R
GRP 1-2
GRP 3-4
GRP 5-6
GRP 7-8
MONITOROUT
+4dBuGC
GC
SOLOOFF
PHONES(ON TOP PANEL)
SOLO-L
SOLO-R
MNTR-L
MNTR-R
SOLO-DC
MONITORLEVEL
PHONESLEVEL
MNTR-L
MNTR-R
SOLO-L
SOLO-R
METERSNORMALLY SHOWMONITOR SOURCE
AUTOMATICALLYSWITCH TO SOLO
PHONES NORMALLY FOLLOW MONITOR SOURCEALWAYS SWITCH TO SOLO
MONITORSOURCE SELECT
-ALL INPUTS MIX
ALL SOURCES PRE
SUMMONO
Monitoring
MONITOR
L
R
OUT
Rear PanelConnectors
1
3
5
7
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SOURCESELECT(MIXED)
GRP 7-8
GRP 5-6
GRP 3-4
GRP 1-2
L - R
MONO
TAPE B
SOLOOFF
SUMMONO
M O N I T O R
LEVEL
ALL SOURCES PRE
0
0
0
0
rear panel legend info
T= Out+R= GND (50Ω)S= CHS +4dBu • 50Ω
Ground-CompImpedance Bal
TRS
Grp•Aux Outputs
master section 8
p.63
Master Section: Monitoring & Control
Monitor SectionThe dedicated Monitor Section allows the user to listen to and view the various signals operating withinthe Console.This section consists of: the monitor select circuitry and dual LED meters, the Solo system and head-phones.
Monitor Metering Two LED meters, L & R, are provided to display the level of the Monitor source.These meters are cali-brated to properly display the internal levels within the console.The 0VU point is the nominal operatinglevel of whatever signal is being Monitored. If more than one source is selected, the meters will display thelevel of those mixed sources.
Source Select SwitchesThe operator can choose which signals to listen to and view by using the Source Select switches.Theseswitches select the Pre-Fader source of these seven sets of signals:Tape B input, Mono bus, L-R buses, Groups 1-2, Groups 3-4, Groups 5-6, Groups 7-8The Monitor System circuitry is stereo, and these are all stereo sources except for the Mono bus.These 7signals can be combined by selecting more than one source.All sources that are selected will be equallymixed together.This combined signal is then displayed on the Monitor LED meters, and fed to theMonitor Level pot and to the headphone system.
This level pot feeds the Monitor Output jacks (1/4” TRS) on the rear panel. It does NOT affect thelevel of the headphone feed or the LED meters.
Sum MonoA Sum Mono switch is provided which mixes the L & R monitor rear-panel outputs together.This switchis useful if feeding a single external monitor speaker.The LED meters and headphones are not affected bythis Sum switch.
Solo OffNormally, the Monitor system will be interrupted by the Solo System. If a Solo button is pressed (PFL orAFL), the Solo LED between the meters is illuminated and the Solo signal is displayed on the LED meters.The Solo audio takes the place of the selected Monitor sources for both the Monitor outputs and theheadphones.If the Solo Off button is depressed, the meters and headphones will still switch over, however the MonitorOutputs WILL NOT be interrupted by the Solo.This allows the Monitor Output jacks to be used as anadditional output for any of the 7 available sources or their mixture. Since the sources feeding the Monitorsection are Pre-fader, this additional output is controlled only by the Monitor Level pot, and is independentof any of the main fader settings.
monitor output 1/4" TRS jack (rear panel)The monitor output signal is available on these output jacks.The jacks are impedance-balanced, ground-compensated.Tip is +Drive, Ring is -Drive Return, Sleeve is Chassis Ground.Send (Drive) impedance is 50ΩRing impedance is 50Ω to Audio GroundNominal Operating Level= +4dBuMax Output Level= +21dBu (into 2kΩ or higher)
8 HP-Eight owner’s manual master section
p.64
block diagrams Module Top Panel
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L RSOLO
M O N I T O R S O U R C E
∑
∑
SOLOAUDIO
SOLOMIX
AMPS
RON
SSE )
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METER SWITCHINGLOGIC
SOLO
SOLO DC
MONITOR SOURCEL SOLO R
TAPE B
MONO
L - R
GRP 1-2
GRP 3-4
GRP 5-6
GRP 7-8
MONITOROUT
+4dBuGC
GC
SOLOOFF
PHONES(ON TOP PANEL)
SOLO-L
SOLO-R
MNTR-L
MNTR-R
SOLO-DC
MONITORLEVEL
PHONESLEVEL
MNTR-L
MNTR-R
SOLO-L
SOLO-R
METERSNORMALLY SHOWMONITOR SOURCE
AUTOMATICALLYSWITCH TO SOLO
PHONES NORMALLY FOLLOW MONITOR SOURCEALWAYS SWITCH TO SOLO
MONITORSOURCE SELECT
-ALL INPUTS MIX
ALL SOURCES PRE
SUMMONO
Monitoring
1
3
5
7
1009
2 8
64
P H O N E S
LEVEL
FOLLOWS MONITORSOURCE SELECT
0
MUTE SCENEMASTERS
A
B
C
D
TALKBACK ASSIGNSWITCHES
MUTE SCENEMASTERS
A
B
C
D
Scene Mute Masters
Scene Mute Masterson Master Module
S G
PK
3-4
MUTESCENE
A
B
C
D
5
10
20
30
15
50
5-6
7-8
Scene Mute Assignon Input Modules
E
SOLO DC
PAN
+10MONO L-R GRP
1-2
MUTE
PEAK
FADER AMP
TION --
PREFDR
SIG
INPUTMETER
BUS ASSIGNSWITCHES
SB2
PRE SOURCE AMP
100MMCHANFADER
FET MUTE
SCENE MUTE CTRL
A
B
C
D
SCENE MUTESELECT
GRP3-4
GRP5-6
GRP7-8
Scene Mute Assign
master section 8
p.65
Master Section: Monitoring & Control
Solo OperationThe HP-Eight is equipped with a stereo solo bus that allows the operator to monitor thevarious signals within the Console.All Input channels have a PFL (Pre-Fader Listen) switch,Outputs are equipped with an AFL (After-Fader Listen) switch.The PFL circuit on theInputs allows the operator to properly set the channel’s internal signal level using the chan-nel’s Gain pot and Pad switch. Since the signal being monitored is PFL, the channel faderlevel, as well as any bus assignments, is ignored.This allows a channel to be monitored andadjusted without being sent into any of the main mixes.The operator has a chance toproperly set the levels and EQ of a channel before anyone else might hear it.For Outputs, the AFL signal point allows the operator to hear exactly what is being fed tothe outside world.The output level, as well as any inserted processing gear, can be moni-tored by the Solo system. For the times that a Pre-Fader point needs to be checked, theMonitor Sources can be used to listen to a bus before its main fader.
Solo Metering Whenever a Solo button is pressed (PFL or AFL), the SOLO LED indicator will illuminateand the Monitor Source LED meters will switch-over to display the Solo bus level.Thesemeters are calibrated to properly display the different internal levels within the console.The 0VU point is the nominal operating level of whatever signal is being Solo’d. Use theSolo system and metering to set the gain of an Input channel, monitor the output level ofa bus or check on the vocal blend of an Aux monitor mix.
Headphone Source The operator can use the phones to listen to the various signals within the Console.Theheadphones are normally fed from whatever sources are selected in the Monitor Section,the level to the phones are controlled by the Phone Level control, the Monitor level con-trol will not affect the headphone level.When Solo is active, the headphones automatically switch over to the Solo bus.Any chan-nels that are PFL’d, or any outputs that are AFL’d will be heard.The Monitor meters alsoautomatically switch over to the Solo bus to display the levels of any Solo’d signals.
headphone jack (1/4" TRS)The headphone signal is available on this jack.The headphone driver is designed to driveheadphones of 8Ω or higher impedance (approx 30Ω is best).
phones levelThis pot controls the headphone level.
Mute Scene MastersFour independent Mute Scenes are available on the HP-Eight. Each of the Mono Inputchannels can be assigned to any of the 4 scenes.When a Mute Scene is activated, any chan-nels assigned to that Master will be muted.
Mute AWhen this switch is depressed, the LED will illuminate and any channels assigned to thisScene will mute.
Mute B thru DSame type of operation as the Mute A switch.
NOTE: Since the Solosystem uses a summingbus, if more than onesource is selected (PFLswitch is depressed),the signal being dis-played and heard is amixture of those select-ed signals. When set-ting the gain of an Inputchannel, make sure thatonly 1 Input is selectedto avoid errors.
+
NOTE: An Input channelcan be assigned to anyor all of the MuteScenes. If more thanone scene is assigned,the Input will mute if anyof the associatedMaster Mute switchesare pressed.
+
8 HP-Eight owner’s manual master section
p.66
Module Top Panel
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12V LAMP12V LAMP
HI PERFORMANCE 8-BUS CONSOLEH P - E I G H T
FADER OUTPUT LEVEL M O N I T O R S O U R C E
DC-PWRSTATUS
+18 -18 +12 +48
A9 A10A8A7A6A5A4A3A2A1
L RG8G7G6G5G4G3G2G1
CRESTAU D I OD
HP-Eight Block Diagram
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METER FEEDSFROM
FADER BUFFERS
METER SWITCHINGLOGIC
SOLO
GRP1AUX1
GRP2AUX2
GRP3AUX3
GRP4AUX4
GRP5AUX5
GRP6AUX6
GRP7AUX7
GRP8AUX8
LAUX9
RAUX10
MONITOR SOURCEL SOLO R
METERSNORMALLY SHOWMONITOR SOURCE
AUTOMATICALLYSWITCH TO SOLO
LED METERS
RIBBON CONN
block diagrams
TALKON
GRP 1-8
L - R
MONO
AUX 1-2
AUX 3-4
AUX 5-6
AUX 7-8
AUX 9-10
1
3
5
7
1009
2 8
64
LEVEL
TA L K B A C K
SEND TB TO
TBINPUT
output metering and lamp connectors
talkback
TBXLR IN
TALKBACKON
TB+18V
Y
N
LOCATED ONMASTER MODULE
MONO L-R GRP1-8
TALKBACK ASSIGNSWITCHES
AUX1-2
AUX3-4
AUX5-6
AUX7-8
AUX9-10
TALKBACKLEVEL
HP-Eight Talkback Circuits
MUTE SCENEMASTERS
A
B
C
D
metering
master section 8
p.67
Master Section: Monitoring & ControlTalkback SectionThe operator can use the built-in facilities of the HP-Eight to talk to the main, groupor aux buses in the console. Often times the operator will need to selectively com-municate with a performer, or slate a performance during a recording.
TB InputThis front-panel XLR jack can accept mic-level signals and is equipped with a phantompower option header (internally located behind the XLR jack within the Master mod-ule).The default setting for the phantom power is ON.NOTE: +18 volts phantom power is available for the TB mic. Most condenser micswill operate at this voltage, but there are some microphones that need the full, +48volts to properly function. Only use dynamic microphones, or condensers that canoperate properly on +18 volts for the TB mic.
TB Level
This pot controls the level of the TB signal to be sent to the selected buses.
TB Select SwitchesThe operator can choose which buses are fed by the Talkback audio using these 8switches.The 3 main buses, all 8 groups, or the Aux buses (in pairs) can be selected.
TB ON with LED
This latching switch (and LED) feeds the Talkback audio to the selected buses.
Output Metering10 dedicated LED meters show the output level of whatever signal is being controlledby the corresponding 100mm fader. Normally the 8 Group outputs, along with theL&R main buses are displayed across the 10 meters. If a Fader-Flip switch is depressed,that corresponding Aux output (1 thru 10) is displayed instead.The displayed signal isPost-fader and Post-Mute.The meters have a VU-type response, showing the averagelevels of the signals being monitored. Use the Peak LEDs on each individual output tocheck for any overload conditions for that signal.Nominal output level of the HP-Eight console is +4dBu.This is indicated as 0 VU onthe meter scale, with additional LEDs indicating 3dB steps, both above and below this0-reference point.
Power Supply Monitor These 4 LEDs, located above the Solo meters, monitor the internal voltages of theConsole. Each green LED indicates the presence of its indicated voltage rail.TheseLEDs will illuminate when the Console is powered EITHER from its internal supplyOR from an external supply. See Power Supply section for further details.
Lamp connectorsTwo BNC lamp connectors are provided at the top of the Master Module forConsole illumination.These connectors will power either the low-intensity or high-intensity versions of the popular, goose-neck 12-volt console lamps (available separate-ly).The connectors are current-limited to protect against external shorting. Positivevoltage is on the center pin, the connector barrel is at 0-volts.
NOTE: Since the reso-lution of the LEDmeters is 3dB, the nominal+4dBu level of an output can’tbe determined closer thanthat 3dB. The 0VU LED maybe on, but the output may notbe exactly +4dBu. If a moreprecise measurement isneeded, an external digitalmeter, or analog VU metershould be used.
+
NOTE: The +18 and -18 indicators are forthe main analog voltage rails,these are used to power themajority of the opamps withinthe Console. The +12 indica-tor shows the aux-power railused to power the LEDs andother non-audio circuits ofthe Console. The +48 LEDmonitors the phantom volt-age.
+
NOTE: Any 12 voltaccessory can be poweredfrom these BNC connectors,as long as it draws less than500mA (total for both connec-tors). You can try one of those12 volt personal fans to keepcool when mixing on a hotday.
+
9 HP-Eight owner’s manual power supply
p.68
AC IN100-240V
50 / 60 Hz200W
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
EXTERNAL DC INPUT(FROM BACKUP SUPPLY)
DIR OUT DIR OUT DIR OUT DIR OUT DIR OUT DIR OUT DIR OUT DIR OUT
POWER
ON
CONNECT ONLY TOAPPROVED CREST SUPPLY
AVIS : RISQUE DE CHOC ÉLECTRIQUE—NE PAS OUVRIR
CAUTIONRISK OF ELECTRIC SHOCK
DO NOT OPEN
NO USER SERVICABLE PARTS INSIDE. REFERSERVICING TO QUALIFIED SERVICE PERSONNEL
ATTENTION! POUR ÉVITER LE RISQUE D'INCENDIEOU DE CHOC ÉLECTRIQUE, NE PLACEZ PAS CET APPAREIL
SOUS LA PLUIE OU Á L'HUMIDITÉ
WARNING: TO REDUCE THE RISK OF FIRE ORELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE
ULC US®
LISTED
COMMERCIALAUDIO
SYSTEM25E9
1 2543
76
EXT DC PINOUT1 +12V @3A2 +18V @3A3 AGND4 AGND5 DGND6 +48V @1A7 -18V @3A
Crest Audio Inc.Fair Lawn, NJ 07410 USA
www.crestaudio.comDesigned & Built
in the USA
CREST AUDIOHP-Eight
8-Bus Console
PUSH PUSH PUSH PUSH PUSH PUSH PUSH PUSH
ON
POWER
AC IN100-240V
50 / 60 Hz200W
AC INLET & SWITCH
UNIVERSAL INPUT-VOLTAGESWITCHING POWER SUPPLY
+18 V
-18 V
+12 V
+48 V
INTERNALLY FUSED ANDSHORT-CIRCUIT PROTECTED
TO POWERDISTRIBUTION
BOARDS
ANALOGGROUND
AUX DCGROUND
SAFETYGROUND
TO CHASSIS CHASSISGROUND
2 BNC CONNECTORSFOR 12 VOLT LAMPS
( ON MASTER MODULE )
SHORT-CIRCUITPROTECTION
POLYFUSES
DC OUTPUT
EXTERNAL DC INPUT
ISOLATIONDIODES
FAN
DC POWER STATUS LEDS
+18 -18 +12 +48
internal power supply
Input Rear panel- with power supply
EXTERNAL DC INPUT(FROM BACKUP SUPPLY)
CONNECT ONLY TOAPPROVED CREST SUPPLY
1 2543
76
EXT DC PINOUT1 +12V @3A2 +18V @3A3 AGND4 AGND5 DGND6 +48V @1A7 -18V @3A
external DC connection
power supply 9
p.69
Power Supply - Internal
Internal supplyThe HP-Eight is equipped with internal power supply, based on a universal input,switch-mode design.As such, you can power the HP-Eight from any world-wide ACmains voltage from 100 to 240 volts, 50 or 60Hz. Input power is approx 200 wattsmaximum (56-chan console), so power requirements are minimal.A standard IECpower-inlet socket is used, along with a country-specific line cord, to bring AC powerinto the Console.The power supply, along with the entire console, is UL/CUL and CErated for safety and emissions.There is an internal fuse for safety reasons, but noexternal fuse is provided.There are no user serviceable parts inside, the entire PSUassembly would be replaced in case of failure.The power supply is always located under the first input module to the left of theMaster module (viewed from the front of the console).The rear-panel of that Inputmodule has the normal compliment of input connectors, plus the additional, power-supply related controls.
AC InputA standard 15 amp, IEC power-inlet socket is used to bring AC power into theConsole. Use the appropriate line cord for the country of operation.Any worldwidevoltage is acceptable, from 100 to 240 volts, 50 or 60Hz. 200 watts input power max.
On-Off switchThis switch turns the internal supply on or off. It has no direct effect on the ExternalDC connector.
Ext DC ConnectorThis 7-pin connector is used to bring DC voltages into the console from a back-up, orstand-by (redundant) supply.These externally-sourced voltages are “diode-steered”,along with the voltages from the internal supply, to provide power for the console.Although this connector is protected against incorrect hookup (reverse or over-volt-age), ONLY Crest-approved power supplies should be used.
NOTE: The proper linecord is supplied with theHP-Eight to match thecountry of destination. Iflost or missing, a standard,approved IEC cord-setcan be used.
+
9 HP-Eight owner’s manual power supply
p.70
EXTERNAL DC INPUT(FROM BACKUP SUPPLY)
CONNECT ONLY TOAPPROVED CREST SUPPLY
1 2543
76
EXT DC PINOUT1 +12V @3A2 +18V @3A3 AGND4 AGND5 DGND6 +48V @1A7 -18V @3A
Console rear - external DC connection
XPS-SW3
ON
DC VOLTAGE STATUS
+18V
+48V-18V
+12V
CONSOLE POWER SUPPLY
external power supply - front
ULC US®
LISTED
COMMERCIALAUDIO
SYSTEM25E9
Crest AudioConsole Power Supply
Model: XPS-SW3
DC OUTPUT(TO CONSOLE)
USE ONLY WITH SPECIFIEDCREST CONSOLES:
SEE MANUAL FOR DETAILS
125 4 3
7 6
CONN PINOUT1 +12V @3A2 +18V @3A3 AGND4 AGND5 DGND6 +48V @.65A7 -18V @3A
GROUNDLINKING
CHASSISGROUND
CONSOLEGROUND
External Power SupplyFor Crest Consoles:
HP-Eight
SERIAL NUMBER
Crest Audio Inc.Fair Lawn, NJ 07410 USA
www.crestaudio.com
Professional Audio ProductsDesigned and Built in the USA
100-240V 50 / 60 Hz
200W
CAUTIONRISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS: DANS LE BUT DE REDUIRES LES RISQUES D’INCENDIEOU DE DECHARGE ELECTRIQUE, CET APPREIL NE DOIT PASETRE EXPOSE A LA PLUIE OU A L’HUMIDITE ET AUCUN OBJETREMPLI DE LIQUIDE, TEL QU’UN VASE, NE DOIT ETRE POSE
SUR CELUI-CI.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRICSHOCK,THIS APPARATUS SHOULD NOT BE EXPOSED TO RAINOR MOISTURE AND OBJECTS FILLED WITH LIQUIDS, SUCHAS VASES, SHOULD NOT BE PLACED ON THIS APPARATUS.
AC IN
external power supply - rear
DC OUTPUT(TO CONSOLE)
USE ONLY WITH SPECIFIEDCREST CONSOLES:
SEE MANUAL FOR DETAILS
125 4 3
7 6
CONN PINOUT1 +12V @3A2 +18V @3A3 AGND4 AGND5 DGND6 +48V @.65A7 -18V @3A
GROUNDLINKING
CHASSISGROUND
CONSOLEGROUND
external power supply - DC Out Connector
NOTE: The 2U rack-mount panel can be removed from the chassis if a stand-alone, floor or desk-top supply ispreferred. Remove the six #8 screws securing the front panel to the chassis. Remove the front panel and storeit away, then replace the #8 screws (to fill the threaded holes in the front of the chassis).Attach the suppliedfeet to the bottom of the chassis in the four indicated positions.
NOTE: Check for dust build-up on the fan filter and clean when needed.The outer housingsnaps-off to free the filter-foam material.This foam can be washed or simply vacuumed to clean.
power supply 9
p.71
Power Supply - ExternalExternal Power SupplyThe style and pinout of the DC Connectors on the HP-Eight are the same as the Crest X-Series of consoles (X-Eight, X-Four, X-VCA, X-Monitor), and the existing X-Series supply CAN be used to power the HP-Eight console.The voltagerequirements are the same, but the current demands are less with the HP-Eight.The better (and cheaper) solution for an external supply is to use the supply designed for the HP-Eight, the model XPS-SW3.This external supply uses the same basic PSU assembly from the HP-Eight, fitted in a 2U chassis.The rack-mountfaceplate can be removed if a stand-alone, floor or desk mounted supply is desired.AC power requirements are thesame, any world-wide voltage can be used to power the supply.
Power Supply Controls - Front
Power When this switch is ON,AC power is supplied to the internal circuits.
DC Status
These four green LEDs show the condition of the four main DC supply voltages present on the rear-panel DC outputconnector.
Power Supply Controls - Rear
AC Input
This is a standard, 15 amp IEC power inlet connector.A mating cord-set is normally supplied with the Console to matchlocal power requirements.Any world-wide AC mains voltage is acceptable, from 100 volts to 240 volts, 50 or 60 Hz.Maximum input power is 200 watts.
Fan Guard & FilterThere is a low-speed fan mounted within the power supply.This fan will draw cooling air through the rear filter andexhaust it through the slots in the sides of the chassis (you won’t feel a lot of air moving).The outer frame of the filtersnaps-off, revealing the filter (foam) material. Occasionally clean the foam (or when you see dust build-up).
DC Output
This 7-pin circular socket connector carries the DC voltages from the supply. It should be connected (via the DC powercable) ONLY to the DC Input connector of approved Crest Consoles. Even though the power supply is protectedagainst output abuse, it was specifically designed for Crest mixing consoles. It may not function properly if attempts aremade to power other devices (including other manufacturer’s consoles!).
Ground Link
When using an external supply, the Console’s internal supply is plugged into an AC outlet AND the console is connected(via the DC cable) to an external supply which has its own AC plug and outlet.These two, different AC outlets may be atdifferent ground potentials. Depending on various (sometimes unknown) conditions, a “ground-loop” may occur.This usu-ally manifests itself as a low-level hum in the console outputs.This barrier-strip is provided to allow the chassis-ground of the external power supply to be lifted from the consoleaudio-ground, thereby removing the 2nd (loop) path of the Console’s audio-ground to the AC outlet grounds.TheConsole’s internal supply ALWAYS has the console chassis-ground and audio-ground tied together inside the console.Normally, the supplied metal link ties the two barrier-strip ground circuits together.This link can be removed to separatethese two grounds of the external supply to minimize hum.NOTE: Removing this link DOES NOT lift the chassis of the external supply from the AC safety ground, the chassis of the powersupply enclosure is ALWAYS attached to the 3rd wire ground of the AC inlet connector.That connection is there for safety reasons- itshunts (to the AC ground plug) any dangerous internal faults that may contact the chassis metalwork.AT NO TIME SHOULD THIS 3rdWIRE GROUND BE DEFEATED (by cutting off the AC plug ground pin or by improperly using a ground-lift adapter).
GROUNDLINKING
CHASSISGROUND
CONSOLEGROUND
DC OUTPUT(TO CONSOLE)
100-240V 50 / 60 Hz
200W
AC IN
DC VOLTAGE STATUS
+18V
+48V-18V
+12V
ON
9 HP-Eight owner’s manual power supply
p.72
AC IN100-240V
50 / 60 Hz200W
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
INSERT
BAL IN
EXTERNAL DC INPUT(FROM BACKUP SUPPLY)
DIR OUT DIR OUT DIR OUT DIR OUT DIR OUT DIR OUT DIR OUT DIR OUT
POWER
ON
CONNECT ONLY TOAPPROVED CREST SUPPLY
AVIS : RISQUE DE CHOC ÉLECTRIQUE—NE PAS OUVRIR
CAUTIONRISK OF ELECTRIC SHOCK
DO NOT OPEN
NO USER SERVICABLE PARTS INSIDE. REFERSERVICING TO QUALIFIED SERVICE PERSONNEL
ATTENTION! POUR ÉVITER LE RISQUE D'INCENDIEOU DE CHOC ÉLECTRIQUE, NE PLACEZ PAS CET APPAREIL
SOUS LA PLUIE OU Á L'HUMIDITÉ
WARNING: TO REDUCE THE RISK OF FIRE ORELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE
ULC US®
LISTED
COMMERCIALAUDIO
SYSTEM25E9
1 2543
76
EXT DC PINOUT1 +12V @3A2 +18V @3A3 AGND4 AGND5 DGND6 +48V @1A7 -18V @3A
Crest Audio Inc.Fair Lawn, NJ 07410 USA
www.crestaudio.comDesigned & Built
in the USA
CREST AUDIOHP-Eight
8-Bus Console
PUSH PUSH PUSH PUSH PUSH PUSH PUSH PUSH
ULC US®
LISTED
COMMERCIALAUDIO
SYSTEM25E9
Crest AudioConsole Power Supply
Model: XPS-SW3
DC OUTPUT(TO CONSOLE)
USE ONLY WITH SPECIFIEDCREST CONSOLES:
SEE MANUAL FOR DETAILS
125 4 3
7 6
CONN PINOUT1 +12V @3A2 +18V @3A3 AGND4 AGND5 DGND6 +48V @.65A7 -18V @3A
GROUNDLINKING
CHASSISGROUND
CONSOLEGROUND
External Power SupplyFor Crest Consoles:
HP-Eight
SERIAL NUMBER
Crest Audio Inc.Fair Lawn, NJ 07410 USA
www.crestaudio.com
Professional Audio ProductsDesigned and Built in the USA
100-240V 50 / 60 Hz
200W
CAUTIONRISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS: DANS LE BUT DE REDUIRES LES RISQUES D’INCENDIEOU DE DECHARGE ELECTRIQUE, CET APPREIL NE DOIT PASETRE EXPOSE A LA PLUIE OU A L’HUMIDITE ET AUCUN OBJETREMPLI DE LIQUIDE, TEL QU’UN VASE, NE DOIT ETRE POSE
SUR CELUI-CI.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRICSHOCK,THIS APPARATUS SHOULD NOT BE EXPOSED TO RAINOR MOISTURE AND OBJECTS FILLED WITH LIQUIDS, SUCHAS VASES, SHOULD NOT BE PLACED ON THIS APPARATUS.
AC IN
TOCOUNTRY-SPECIFIC
AC PLUG
EXTERNAL POWER SUPPLY
DC POWER CABLE
HP-EightPOWER INPUT REAR PANEL
TOCOUNTRY-SPECIFIC
AC PLUG
IECLINE CORD
• SOLD SEPARATELY • • SUPPLIED •WITH PSU
• SUPPLIED •WITH CONSOLE
IECLINE CORD
HP-EightDual-Power Connection Detail
• SOLD SEPARATELY •
power supply - dual hookup
NOTE: When using an external supply in Redundant-Mode (External supply always powered ON with the Console),having the Console and the External power supply plugged into two separate AC circuits will give an extra measure ofbackup. If one of the AC circuits should fail (overload, bad cord, someone tripping over a wire, etc), the other supply(internal or external) will continue to operate.Wired in this way, you are providing a redundant path for the AC powerin addition to the redundancy provided by the supplies themselves.
power supply 9
p.73
Power Supply - Dual
Powering the HP-EightThere are 4 distinct ways to power the HP-Eight::1) Internal Supply ONLY.2) Internal Supply PLUS an External Supply as a Redundant Supply.3) Internal Supply PLUS an External Supply as a Back-Up Supply.4) External Supply ONLY.
# 1 is the default powering method, the HP-Eight comes equipped with an Internal Supply and line cord.# 2 and #3 differ only in their implementation. Both depend on an external supply (plus DC cable) to takeover if the internal supply fails, but differ in the philosophy behind their operation.For method #2, the External supply is always connected to the HP-Eight and is powered-up whenever theHP-Eight’s internal supply is on. If the internal supply fails, the external supply takes over immediately with-out any operator intervention or audio interruption.The same thing happens if the external supply fails, theinternal supply keeps the console operating. Basically, you have two supplies powering the console. If eitherof the supplies fail, the other continues to operate.For method #3, the external supply is connected to the HP-Eight in the same way as #2, but the supply isswitched OFF. If the internal supply fails, the external supply is then switched on.This requires the operatorto manually perform the switch-over. During the down-time, the console stops working and there could bea disturbing POP when the power comes back on.The difference between #2 and #3 comes from one’s belief as to what’s more likely to happen:A) An internal failure of a power supply from a general component faultORB) An overall AC power-related problem that causes a supply to fail.
If you believe A is more likely, then use method #2.You are keeping both supplies always on-line to coverfor each other.The switch-over is seamless, but the only way to later check for a faulty supply is to try torun the console on the internal or external supply only.The External supply does have its own set of statusLEDs.If you believe that you’re more likely to encounter AC power-related problems severe enough to fry a sup-ply, use method #3 and keep the back-up supply switched OFF until you need it (some go as far as noteven plugging the supply into the power strip until they’re sure that the power is restored and good).Our recommended method is #2.The supply (both external and internal) is designed to operate from 100to 240 volts without a problem. In fact, it can handle 260 volts input and stay within spec. It is unlikely thatan input overvoltage condition will cause the supply to fail. By keeping both supplies on at all times, audiocontinuity is maintained if one of the supplies fail.Method #4 was listed as a possible way to power the HP-Eight: External supply only.This can happen if theinternal supply failed, but you still need to operate the console until a replacement is obtained.The internal,failed supply should be switched OFF and no AC line cord should be fitted. If an internal supply fails, it isunlikely that it will interfere with the External supply’s operation.
NOTE: You will NOT get better noise, distortion or overall performance gains from theHP-Eight if you power it from an external supply.This may be true for some other brands ofconsoles, but the HP-Eight was designed for full performance even when operated from itsinternal supply.
HP-Eight owner’s manual specifications
p.74
0
Frequency Response
THD+Noise
Noise
Crosstalk
Phase Shift
XLR Inputs
Main Outputs
Insert Points
Internal Power Supply
Ext DC Power Requirements (Max for 56-chan model)
Dimensions: HP-Eight/24Weight: HP-Eight/24
Dimensions: HP-Eight/32Weight: HP-Eight/32
Dimensions: HP-Eight/40Weight: HP-Eight/40
Dimensions: HP-Eight/48Weight: HP-Eight/48
Dimensions: HP-Eight/56Weight: HP-Eight/56
20Hz–20kHz • +0/-0.5dB Any input to any output (Ref 1kHz @ +15dBu output level)
Chan Input to Group or Main Output (Left/Right/Mono)<0.01% THD 20Hz to 20kHz at +15dBu out
(20Hz to 20kHz)Mic EIN: <-127 dBu (Measured @+60dB gain, 150Ω source)Bus Noise: Better than –85dBu (w/32 Channels Routed)
(Measured 20Hz-20kHz, Ref to +15dBu output)Channel Mute >90dBChannel Routing >85dBChannel fader attenuation >85dBAux Send attenuation >80dB
<+/-30 degrees 20Hz to 20kHz mic in to main out
2k5 ohms BalancedMax Voltage Gain: Mic-In To Group To Left/Right Balanced Out= 90dB
L/R/Mono Out: 100Ω Balanced Male XLR • Max Output= +26dBuAux/Group Out: 50Ω Ground-Compensated/Impedance-Balanced TRS • Max Out= +21dBuChannel Direct Out: 100Ω Impedance-Balanced TRS • Max Out= +21dBu
TRS Jack • Tip= Send, 100Ω Output Impedance • Max Out= +21dBuRing= Return, 5kΩ Input ImpedanceChannel Insert Level= +4dBuBus Insert Level= -2dBu
AC Input: 100-240 VAC, 50/60 Hz via 15A IEC Mains connector7-Pin DC Connector provided for external (redundant) PSUMaximum power consumption (56-chan): 200 watts
+/- 18 volts @ 3 amps (Main analog rails)+12 volts @ 3 amps (LED and aux circuits)+48 volts @ .6 amps (Phantom voltage)NOTE: Use ONLY Crest Approved power supplies for the HP-Eight
Inches: 46.5 X 28 X 9 MM: 1175 X 702 X 22972 lbs 33 kG
Inches: 56.5 X 28 X 9 MM: 1424 X 702 X 22990 lbs 41 kG
Inches: 66 X 28 X 9 MM: 1673 X 702 X 229110 lbs 50 kG
Inches: 76 X 28 X 9 MM: 1922 X 702 X 229125 lbs 57 kG
Inches: 86 X 28 X 9 MM: 2171 X 702 X 229145 lbs 66 kG
Dimensions are Width X Depth (Front-to-Back) X HeightNOTE: Call for detailed chassis drawings before attempting to build a roadcase.
notes
HP-Eight owner’s manual notes
p.77
track sheet - HP-Eight mono input
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
5
10
0
5
10
20
30
15
50
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
PFL
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
EQ ON EQ ON EQ ON EQ ON EQ ON EQ ON EQ ON
MUTE
PFL PFL PFL PFL PFL PFL PFL
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
6
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
MUTEMUTEMUTEMUTEMUTEMUTEMUTE
PRE PRE PRE PRE PRE PRE PRE
PRE PRE PRE PRE PRE PRE PRE PRE
PRE PRE PRE PRE PRE PRE PRE PRE
5-6
7-8
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
HP-Eight owner’s manual notes
p.79
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
5
10
0
5
10
20
30
15
50
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
GAIN20
4
10 30
40
60
PAD
48 V
POLARITY
SIG
PK
REVEN
= PAN
LODD
3-4
1-2
MUTESCENE
A
B
C
D
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
POLARITY
REVEN
= PAN
LODD
MUTESCENE
L-R
M
BUSASSIGN
LO CUT
PFL
EQ ON
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
4
AUX SENDS
1
2
5
6
PRE
9
10
3
7
8
30
106
0
6•
3
20 +
–
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
4
AUX SENDS
1
2
5
6
9
10
3
7
8
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
EQ ON EQ ON EQ ON EQ ON EQ ON EQ ON EQ ON
MUTE
PFL PFL PFL PFL PFL PFL PFL
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
30
106
0
6•
3
20 +
–
6
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
HF
HM
LM
LF
1K
2K 3K
10K500
5K
200500
1K
2K100
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
GAIN20
4
10 30
40
60
PAD
48 V
6
MUTEMUTEMUTEMUTEMUTEMUTEMUTE
PRE PRE PRE PRE PRE PRE PRE
PRE PRE PRE PRE PRE PRE PRE PRE
PRE PRE PRE PRE PRE PRE PRE PRE
5-6
7-8
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
3-4
1-2
5-6
7-8
A
B
C
D
track sheet - HP-Eight mono input
HP-Eight owner’s manual notes
p.81
PRE
AUX SENDS
LF
GAIN
PFLSIG
PK
L-R
M
BUSASSIGN
3-4
1-2
R
= GROUPPAN
L
M1
M2
FADERFLIP
A1 A2
1
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
3–
3+6
0
24
1815
9
L RSOLO
A3 A4 A5 A6 A7 A8 A9 A10
G1
M1 M2
+–
20
12
06
20
12
6
1
3
5
7
1009
2 8
64
MUTE SCENEMASTERS
A
B
C
D
M A T R I X M A S T E R S
P H O N E S
1
3
5
7
1009
2 8
64
TALKON
SOURCESELECT(MIXED)
GRP 7-8
GRP 5-6
GRP 3-4
GRP 1-2
L - R
MONO
TAPE B
SOLOOFF
SUMMONO
GRP
GRP 1-8
L - R
MONO
AUX 1-2
AUX 3-4
AUX 5-6
AUX 7-8
AUX 9-10
1
3
5
7
1009
2 8
64
LEVEL
TA L K B A C KM O N I T O R
LEVEL
LEVEL
FOLLOWS MONITORSOURCE SELECT
SEND TB TO
A U X M A S T E R S
M A T R I X S E N D S
STEREO LINE INPUT STEREO LINE INPUT STEREO LINE INPUT STEREO TAPE INPUT STEREO TAPE INPUT
5
10
0
5
10
20
30
15
50
MF
0
1515
8 8
+– HFBUS
ASSIGNBUS
ASSIGNBUS
ASSIGN
9
10
BUSASSIGN
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
L-R
M
BUSASSIGN
M
BUSASSIGN
M
BUSASSIGN
12
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
912
21
6
9
–3
+36
0
24
1815
9
R
= GROUPPAN
L
G2
R
= GROUPPAN
L
G3
R
= GROUPPAN
L
G4
R
= GROUPPAN
L
G5
R
= GROUPPAN
L
G6
R
= GROUPPAN
L
G7
R
= GROUPPAN
L
G8 LEFT
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
12V LAMP12V LAMP
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
SIG
PK
PFL PFL PFL
LO CUT LO CUT LO CUT LO CUT LO CUT
MUTE
MUTE
HI PERFORMANCE 8-BUS CONSOLEH P - E I G H T
1 2 3 A B
TBINPUT
2 3 A B
PFL
AFLAFL AFL AFL AFL AFL AFL AFL AFL AFL AFL AFL
AFL AFL AFL AFL AFL AFL AFL AFL AFL AFL AFL
FADER OUTPUT LEVEL M O N I T O R S O U R C E
DC-PWRSTATUS
+18 -18 +12 +48
ALL SOURCES PRE9
10
9
10
9
10
9
10
PRE
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
10
5
0
5
10
15
20
30
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
5
10
0
5
10
20
30
15
50
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
40
20
10 0
6•
330
+–
6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
– 6
30
20
100
10•
6+
–
0
1515
8 8
+–
0
1515
8 8
+– LF
MF
HF
LF
MF
HF
LF
MF
HF
LF
MF
HF0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
0
1515
8 8
+–
GAIN+–
20
12
06
20
12
6GAIN+–
20
12
06
20
12
6GAIN+–
20
12
06
20
12
6+–
20
12
06
20
12
6
MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE
MUTEMUTEMUTEMUTE
GAIN
FADERFLIP
FADERFLIP
FADERFLIP
FADERFLIP
FADERFLIP
FADERFLIP
FADERFLIP
FADERFLIP
FADERFLIP
GRP1AUX1
GRP2AUX2
GRP3AUX3
GRP4AUX4
GRP5AUX5
GRP6AUX6
GRP7AUX7
GRP8AUX8
LEFTAUX9
RIGHTAUX10
RIGHT MONO
AUX SENDS
PRE
AUX SENDS
PRE
AUX SENDS
PRE
AUX SENDS
PRE
A9 A10A8A7A6A5A4A3A2A1
L RG8G7G6G5G4G3G2G1
0
5-6
7-8
L-R
M
3-4
1-2
GRP
5-6
7-8
L-R
M
3-4
1-2
GRP
5-6
7-8
L-R
M
3-4
1-2
GRP
5-6
7-8
L-R
M
3-4
1-2
GRP
5-6
7-8
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
PRE
M1
M2
track sheet - HP-Eight master module
HP-Eight owner’s manual notes
Crest Audio Inc.16-00 Pollitt Dr. Fair Lawn, NJ 07410 USA
TEL: 201.909.8700 FAX: 201.909.8744www.crestaudio.com
HP-Eight owner’s manualVersion 1.01 July 20, 2004 Crest P/N D7000034
