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PRE-AMPLIFIER
IPA-SMP
Please follow the instructions in this manual to obtain the optimum results from this unit.We also recommend that you keep this manual handy for future reference.
OP
ER
AT
ION
MA
NU
AL
PUBLIC ADDRESS SYSTEM
PR
E A
MPLIF
IER
IPA-S
MPBASS
0
BASS
0
BASS
0
RIGHTMASTER 2
3
45
6
7
8
10 0
1 9
MASTERLEFT
2
3
45
6
7
8
10 0
1 9
+3 0 -3 -8 -13
MIC1 MIC2 SOURCE MUSIC OUTPUT LEVEL
LEVEL
45
6
7
8
10 0
9
TREBLE
0
TREBLE
0
LEVEL
2
3
45
6
7
8
10 0
1 9
TREBLE
0
LEVEL
2
3
45
6
7
8
10 0
1 9L1
L2
L3
L4
POWER
ON
OFF
2
3
1
TABLE OF CONTENTS
2
1. SAFETY PRECAUTIONS .........................................................................................3
2. ................................................................................................................ 4
3. GENERAL DESCRIPTION ......................................................................................5
4. FEATURES .................................................................................................................5
5. NOMENCLATURE AND FUNCTIONS
5.1 Front Panel ............................................................................................................... 6
5.2 Rear Panel................................................................................................................7
6. ..................................................................................8
6.1
7.
8.
9. ...................................................................................... 13
10.
11.
ATTENTION
OPERATION ILLUSTRATION
Power LED.............................................. ............................................................8
6.2 Power Switch.............................................. ....................................................... 8
6.3 Power input.............................................. .......................................................... 8
6.4 Left and Right channel line output jack about (XLR).................................... . 9
6.5 REC audio input interface .............................................. ................................. 9
6.6 Line(1~4) inputs.............................................. ................ ................................10
6.7 Alarm signal input circuit.......................................... ......................................1 0
6.8 MIC 1/MIC 2 balanced microphone input and Stubbs address code switch
............................................................................................................................11
EQUIPMENT INNER DRAWING.............................................. .............................. 12
INSTALLATION STEPS.............................................. ........................................12
CONNECTION DRAWING
BLOCK DRAWING............................................................................................. 14
SPECIFICATION................................................................................................ 15
12.DIMENSIONAL DIAGRAM ....................................................................................16
Be sure to read the instructions in this section carefully before use. Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included. We also recommend you keep this instruction manual handy for future reference.
Safety Symbol and Message ConventionsSafety symbols and messages described below are used in this manual to prevent bodily injury and property damage which could result from mishandling. Before operating your product, read this manual first and understand the safety symbols and messages so you are thoroughly aware of the potential safety
Indicates a potentially hazardous situation which, if mishandled, couldresult in death or serious personal injury.
Indicates a potentially hazardous situation which, if mishandled, couldresult in moderate or minor personal injury, and/or property damage.
When Installing the Unit
Do not expose the unit to rain or an environment where it may be splashed by water or other liquids, as doing so may result in fire or electric shock.
Use the unit only with the voltage specified on the unit. Using a voltage higher than that which is specified may result in fire or electric shock.
Do not cut, kink, otherwise damage nor modify the power supply cord. In addition, avoid using the power cord in close proximity to heaters, and never place heavy objects -- including the unit itself -- on the power cord, as doing so may result in fire or electric shock.
Be sure to replace the unit's terminal cover after connection completion. Because high voltage is applied to the speaker terminals, never touch these terminals to avoid electric shock.
Be sure to ground to the safety ground (earth) terminal to avoid electric shock. Never ground to a gas pipe as a catastrophic disaster may result.
Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a slanted surface. Doing so may result in the unit falling down, causing personal injury and/or property damage.
When the Unit is in Use
Should the following irregularity be found during use, immediately switch off the power, disconnect the power supply plug from the AC outlet and contact your nearest dealer. Make no further attempt to operate the unit in this condition as this may cause fire or electric shock. If you detect smoke or a strange smell coming from the unit. If water or any metallic object gets into the unit If the unit falls, or the unit case breaks If the power supply cord is damaged (exposure of the core, disconnection, etc.) If it is malfunctioning (no tone sounds.)
To prevent a fire or electric shock, never open nor remove the unit case as there are high voltage components inside the unit. Refer all servicing to your nearest dealer.
IPA
IPA
Do not place cups, bowls, or other containers of liquid or metallic objects on top of the unit. If they accidentally spill into the unit, this may cause a fire or electric shock.
Do not insert nor drop metallic objects or flammable materials in the ventilation slots of the unit's cover, as this may result in fire or electric shock.
1. SAFETY PRECAUTIONS
3
An all-pole mains switch with a contact separation of at least 3 mm in each pole shall be incorporated inthe electrical installation of the building.
When Installing the Unit
Never plug in nor remove the power supply plug with wet hands, as doing so may cause electric shock.
When unplugging the power supply cord, be sure to grasp the power supply plug; never pull on the cord itself. Operating the unit with a damaged power supply cord may cause a fire or electric shock.
When moving the unit, be sure to remove its power supply cord from the wall outlet. Moving the unit with the power cord connected to the outlet may cause damage to the power cord, resulting in fire or electric shock. When removing the power cord, be sure to hold its plug to pull.
Do not block the ventilation slots in the unit's cover. Doing so may cause heat to build up inside the unit and result in fire.
Avoid installing the unit in humid or dusty locations, in locations exposed to the direct sunlight, near the heaters, or in locations generating sooty smoke or steam as doing otherwise may result in fire or electric shock.
When the Unit is in Use
Do not place heavy objects on the unit as this may cause it to fall or break which may result in personal injury and/or property damage. In addition, the object itself may fall off and cause injury and/or damage.
Make sure that the volume control is set to minimum position before power is switched on. Loud noise produced at high volume when power is switched on can impair hearing.
Do not operate the unit for an extended period of time with the sound distorting. This is an indication of a malfunction, which in turn can cause heat to generate and result in a fire.
Contact your dealer as to the cleaning. If dust is allowed to accumulate in the unit over a long period of time, a fire or damage to the unit may result.
IPA
If dust accumulates on the power supply plug or in the wall AC outlet, a fire may result. Clean it periodically. In addition, insert the plug in the wall outlet securely.
Switch off the power, and unplug the power supply plug from the AC outlet for safety purposes when cleaning or leaving the unit unused for 10 days or more. Doing otherwise may cause a fire or electric shock.
ATTENTION2.
4
Due to product upgrades, while some of the features and specification in the user manual does not match the actual functions, sorry for any inconvenience and thanks for your kind understanding!
This series two-channel pre-amplifier with the latest styles to meet the needs of small and medium
sized public address system.Two-channel pre-amplifier has 2 inputs at the same time,cac enhance the
audio signal simutenously . Two-channel audio pre-amplifier is the connector of all audiou sources
(including common sources such as CD drive, modem, sound recording deck , MP3 players , special
audio alarm and a variety of microphones ) and the power amplifier devices.The volume of each input
source can be adjusted independently,with priority ranking function,which can require the input source
to prioritize. Two-channel pre-amplifier has sound quality control functions,such as through its ring
tone control circuit or other control circuit, to regulate and control the frequency characteristics of
signals,to play modified and beautifythe sound, and meet the requirementsof the listener's preferences.
Ў
Ў
Ў Ў
Ў
Ў
Ў
Standard chassis design, 1U aluminium alloy; light equipment, simple operation, artistic and practical
Each input independent volume and treble /bass volume adjustment
MIC 1-2 balanced microphone inputs with +48 phantom power switch and gain adjustment
With alarm generator, to provide for the paging tone
LINE 1-4 line input with gain adjustment
REC has a left and right channel audio input and balance left and right channels output control
MIC 1 ~ MIC 2 input priority to other
4. FEATURES
3. GENERAL DESCRIPTION
5
5. NOMENCLATURE AND FUNCTIONS
5.1 FRONT PANEL
1.
2.
3.
4.
5.
MIC1 Volume Control
MIC1 treble adjustment
The treble response, clockwise rotation,
MIC1 increase treble output , whereas
reduced.
MIC1 bass tone adjustment
Adjust the bass response , clockwise
rotation, MIC1 increase treble output,
whereas reduced.
MIC2 Volume Control
MIC2 treble adjustment
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
MIC2 bass adjustment
Line channels selector (L1~L4)
Line volume control
Line treble control
Line bass control
Left and Right volume control
Left channel control
Left channel level indicator
Right channel level indicator
Power Switch
Power LED (Blue)
2 71 133 54 6 98 10 1211 14 15 16
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
BASS BASS BASS
0
RIGHTMASTER
MASTERLEFT
+3 0 -3 -8 -13
MIC1 MIC2 SOURCE MUSIC OUTPUT LEVEL
LEVEL TREBLE TREBLE LEVEL TREBLE
0
LEVEL
2
3
45
6
7
8
10 0
1 9L1
L2
L3
L4
POWER
ON
OFF
000
45
6
7
10 0
9
2
3
1
8
0
6
NOMENCLATURE AND FUNCTIONS
5.2 REAR PANEL
22.
23.
24.
25.
26.
MIC (1 ~ 2) +48 V phantom power dial
the code Switch and priority function
control
MIC (1 ~ 2) phantom microphone input
MIC (1 ~ 2) GAIN gain adjustment
MIC (1-2) output switch
LINE (1 ~ 4) GAIN gain adjustment
17.
18.
19.
20.
21.
~ 230V AC 50Hz
power input
Left and right channel line outputs
(XLR)
Left and right channel audio input
(REC)
Line input
Alarm signal input circuit
17 18 19 20 21 22 23 24
26
INPUTS MIC 1MIC 2
2 13
OUTPUTS REC LINE 2 LINE 1
GAIN
LINE 4 LINE 3
GAINGAIN ALARM
RIGHT
LEFT GAIN
USE ONLY WITHA 250W FUSE
1 2 3 4
ON
12
3
12
3
VOLTAGE SELECTOR MIC
LINE
GAIN
MIC
LINE
GAIN
1 23
RIGHTMIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
LEFT
0.775V/600¦ 0.775V/600¦ 4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
25
7
6.OPERATION ILLUSTRATION
6.1 6.2
Power LEDPower switch
Figure 6.1/6.2
°ИРЦNote:In order to work properly, equipment must be confirmed in a normal power state. If the machinefails, please contact the vendor.Ў
Figure 6.3
Note:
When used it, must use the security power input within the stipulated scope, avoid causingaccidents.
Power is to provide energy to equipment, must be safe use of power supply, don't use it, please pull power
6.3 Power Input
When the power switch to "ON" , power light becomes blue.
When the power switch to "OFF" , power light extinguish.
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
BASS BASS BASS
0
RIGHTMASTER
MASTERLEFT
+3 0 -3 -8 -13
MIC1 MIC2 SOURCE MUSIC OUTPUT LEVEL
LEVEL TREBLE TREBLE LEVEL TREBLE
0
LEVEL
2
3
45
6
7
8
10 0
1 9L1
L2
L3
L4
POWER
ON
OFF
000
45
6
7
10 0
9
2
3
1
8
0
15
17
INPUTS MIC 1MIC 2
2 13
OUTPUTS REC LINE 2 LINE 1
GAIN
LINE 4 LINE 3
GAINGAIN ALARM
RIGHT
LEFT GAIN
USE ONLY WITHA 250W FUSE
1 2 3 4
ON
12
3
12
3
VOLTAGE SELECTOR
MIC
LINE
GAIN
MIC
LINE
GAIN
1 23
RIGHTMIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
LEFT
0.775V/600¦ 0.775V/600¦ 4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
+3 0 -3 -8
OUTPUT LEVELPOWER
ON
OFF
USE ONLY WITHA 250W FUSE
VOLTAGE SELECTOR
8
6.OPERATION ILLUSTRATION
6.5
REC audio input interface
180 3-pole XLR
1.Ground pin
2.The hot end of the foot signal (positive)
3.The cold end of the foot signal (negative)
12
3
6.4
Left and Right channel line output jack about (XLR)
L/R OUTPUT
L / R OUTPUT line out, two channel selectable. All output should be connected to the Karonjack on the rear panel of the machine.Volume control is done by the left and right volume knobs and each with a row of signal lights, can understand the level of the signal outputs. This feature allows pure power amp to work as pre-amplifier with the extensions amplifier feature.
Note:
L / R OUTPUT line out, you must first volume to mid-range position, to avoid the sound exposurЎ
Figure 6.4
Figure 6.5
REC recording deck input interface, Left and right channel selectable. REC audio input interfaces to deck machine
Note: 1.
When REC inputs, you must first volume to mid-range position, to avoid the sound exposure
INPUTS MIC 1MIC 2
2 13
OUTPUTS REC LINE 2 LINE 1
GAIN
LINE 4 LINE 3
GAINGAIN ALARM
RIGHT
LEFT GAIN
USE ONLY WITHA 250W FUSE
1 2 3 4
ON
12
3
12
3
VOLTAGE SELECTOR
MIC
LINE
GAIN
MIC
LINE
GAIN
1 23
RIGHTMIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
LEFT
0.775V/600¦ 0.775V/600¦ 4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
INPUTS MIC 1MIC 2
2 13
OUTPUTS REC LINE 2 LINE 1
GAIN
LINE 4 LINE 3
GAINGAIN ALARM
RIGHT
LEFT GAIN
USE ONLY WITHA 250W FUSE
1 2 3 4
ON
12
3
12
3
VOLTAGE SELECTOR
MIC
LINE
GAIN
MIC
LINE
GAIN
1 23
RIGHTMIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
LEFT
0.775V/600¦ 0.775V/600¦ 4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
18
OUTPUTS REC
GAIN
RIGHT
LEFT VOLTAGE SELECTOR
1 23
RIGHT LEFT
0.775V/600¦ 0.775V/600¦
125mV-1.2V 10k¦
ON
OFF
POWER CLIP OL
VOLUME
PROT
5
0
1
2
3
4 6
7
8
9
10
350-WATT AMPLIFIER SIGNAL
19
CARD HOLDER
OUTPUTS REC LINE 4 LINE 3
GAIN
RIGHT
LEFT
1 23
RIGHT LEFT
0.775V/600¦ 0.775V/600¦
125mV-1.2V 10k¦
9
6.OPERATION ILLUSTRATION
6.6
Line nputs(1~4) i
6.7
Alarm signal input circuit
Figure 6.6
LINE (1 ~ 4) line input , adjustable L (1 ~ 4) switches, and control the LINE (1 ~ 4) line inputs. Line input signalcan be adjusted by the volume knobs and the BASS/TREBLE control. At the same time, LINE (1 ~ 4) line input, you can adjust the GAIN volume. By adjusting the GAIN size, You can control the input gain between 20 ~ 0dB. LIN (1 ~ 4) line in the formula audio line input for connecting CD/MP3/TUNER equipment running
°ИРЦ
Note: 1.2.
When using the line input, you must first volume to mid-range position, to avoid the sound exposurePlease avoid multiple audio input at the same time, or it will cause noise
Figure 6.7
Alarm signal input circuit, when the circuit is disconnected and closed signal, alarm will be triggered.The volume of the alarm depends on the input level.Ў
Note: 1.
Please turn the volume to mid-range position, to avoid the sound exposure
INPUTS MIC 1MIC 2
2 13
OUTPUTS REC LINE 2 LINE 1
GAIN
LINE 4 LINE 3
GAINGAIN ALARM
RIGHT
LEFT GAIN
USE ONLY WITHA 250W FUSE
1 2 3 4
ON
12
3
12
3
VOLTAGE SELECTOR
MIC
LINE
GAIN
MIC
LINE
GAIN
1 23
RIGHTMIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
LEFT
0.775V/600¦ 0.775V/600¦ 4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
INPUTS MIC 1MIC 2
2 13
OUTPUTS REC LINE 2 LINE 1
GAIN
LINE 4 LINE 3
GAINGAIN ALARM
RIGHT
LEFT GAIN
USE ONLY WITHA 250W FUSE
1 2 3 4
ON
12
3
12
3
VOLTAGE SELECTOR
MIC
LINE
GAIN
MIC
LINE
GAIN
1 23
RIGHTMIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
LEFT
0.775V/600¦ 0.775V/600¦ 4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
20
POWER
CD PLAYER
ON
OFF
PLAY STOP NEXTPREVIOUS
OPENCLOSE
CD
POWER
AM/FM TUNER
ON
OFF
BAND AUTO TUNING
TUNER
21
STANDBY
POWER
ALARM MODE PLAY RECORD
VOL
START STOP
REC
PLAYSIREN
PLAYMSG
LINE
MIC
ON
OFF
ALARMING SIGNAL GENERATOR
ALARMING SIGNAL GENERATOR
MIC 2LINE 2 LINE 1
ALARMGAIN
1 2 3 4
ON
12
3
MIC
LINE
GAIN
MIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
10
6.OPERATION ILLUSTRATION
6.8
MIC 1/MIC 2 balanced microphone input and Stubbs address code switch
Figure 6.8
MIC 1/MIC 2 balanced microphone input, volume size is determined by the panel MIC 1/MIC 2 knob control,
combined with BASS / TREBLE adjust the volume knob to achieve the desired acoustic effect.MIC 1/MIC 2
Use a balanced microphone input, adjustable phantom address priorities and can be manually controlled.
When the address code (1,2) switch, open the"1" address code, means the MIC 1 has priority over MIC2 and
LINE inputs 1-4 input. Open the "2" address code, means MIC 2 has priority over MIC1. When the +48 phan
-tom power address code (3,4) switch, open the "3" address code, said the MIC 2 balanced microphone with
power supply to the dynamic microphones;; when the +48 phantom switch, open the "4" address code, MIC 2
balanced microphone without power supply to the dynamic microphones.Besides, MIC (1 ~ 2) the hasthe gain
control. GAIN contol is between 20 ~ 60dB.
°ИРЦNote: 1.
2.3.
When using the microphone input, you must first volume to mid-range position, to avoid sending the sound exposure.
Microphone input priority must first adjust address code. Otherwise, the priority can not be controlledMust ensure that the microphone is fully inserted, otherwise the call function can not be achieved
INPUTS MIC 1MIC 2
2 13
OUTPUTS REC LINE 2 LINE 1
GAIN
LINE 4 LINE 3
GAINGAIN ALARM
RIGHT
LEFT GAIN
USE ONLY WITHA 250W FUSE
1 2 3 4
ON
12
3
12
3
VOLTAGE SELECTOR
MIC
LINE
GAIN
MIC
LINE
GAIN
1 23
RIGHTMIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
LEFT
0.775V/600¦ 0.775V/600¦ 4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
MIC 2
MIC 1
22 23
INPUTS MIC 1MIC 2
2 13
LINE 1
ALARMGAIN
1 2 3 4
ON
12
3
12
3
MIC
LINE
GAIN
MIC
LINE
GAIN
MIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
11
7.EQUIPMENT INNER DRAWING
Transforma
Audio PCB Board
Power Input
Panels
Power switch audo PCB board
8. INSTALLATION STEPS
1. 2. 3. 4. Ў
Firstly, install board inside the machine with wiring.After install the back panel and floor with screws.Then install equipment panel.Finally, to install cover.
Note:1.the equipment adopts 4X4mm screws. 2.when installation, keep equipment clean.3.Undertake certain temperature conditions, installing equipment.
INPUTS MIC 1MIC 2
2 13
OUTPUTS REC LINE 2 LINE 1
GAIN
LINE 4 LINE 3
GAINGAIN ALARM
RIGHT
LEFT GAIN
USE ONLY WITHA 250W FUSE
1 2 3 4
ON
12
3
12
3
VOLTAGE SELECTOR
MIC
LINE
GAIN
MIC
LINE
GAIN
1 23
RIGHTMIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
LEFT
0.775V/600¦ 0.775V/600¦ 4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
BASS BASS BASS
0
RIGHTMASTER
MASTERLEFT
+3 0 -3 -8 -13
MIC1 MIC2 SOURCE MUSIC OUTPUT LEVEL
LEVEL TREBLE TREBLE LEVEL TREBLE
0
LEVEL
2
3
45
6
7
8
10 0
1 9L1
L2
L3
L4
POWER
ON
OFF
000
45
6
7
10 0
9
2
3
1
8
0
1
4
2
3
12
9.CONNECTION DIAGRAM
ON
OFF
POWER
CLIP
TEMP
VOLUME
PROT
5
0
1
2
3
4 6
7
8
9
10
SIGNAL
Mix
er
or
Sh
ort
-cir
cu
it P
lug
35
0-W
AT
T A
MP
LIF
IER
CD
+T
UN
ER
PL
AY
ER
2-C
HA
NN
EL A
MP
LIF
IER
INP
UT
S M
IC 1
MIC
2 2
13
OU
TP
UT
SR
EC
L
INE
2L
INE
1
GA
IN
LIN
E 4
LIN
E 3
GA
ING
AIN
ALA
RM
RIG
HT
LE
FT
G
AIN
US
E O
NLY
WIT
HA
25
0W
FU
SE
12
34
ON
12
3
12
3
11
5-2
30
V/5
0-6
0H
zM
AX
9.9
W
VO
LTA
GE
SE
LE
CT
OR
MIC
LIN
E
GA
IN
MIC
LIN
E
GA
IN
12
3
RIG
HT
MIC
1 P
RIO
RIT
Y
MIC
2 P
RIO
RIT
Y
MIC
2 +
48V
PH
AN
TO
M
1 2 3 4M
IC1
+48
V P
HA
NTO
M
12
34
LE
FT
0.7
75
V/6
00
¦0
.77
5V
/60
0¦
4m
V-4
5m
V/6
00
¦4
mV
-45
mV
/60
0¦
12
5m
V-1
.2V
1
0k¦
12
5m
V-1
.2V
1
0k¦
12
5m
V-1
.2V
1
0k¦
12
5m
V-1
.2V
1
0k¦
MIC
1
MIC
2
REM
OTE
AM/F
M D
TS T
UN
ER
PREV
NEX
TUS
B/CD
EJE
CTPL
AYST
OP
PLAY
MO
DE
MUT
E
SD U
SB
UP
6
AUTO
/M
ANU
AL
54
MEM 3
ST/M
ON
AM/F
M
21
DO
WN
POW
ER
CD P
LAYE
R
IR S
TATU
S
REM
OTE
AM/F
M D
TS T
UN
ER
PREV
NEX
TUS
B/CD
EJE
CTPL
AYST
OP
PLAY
MO
DE
MUT
E
SD U
SB
UP
6
AUTO
/M
ANU
AL
54
MEM 3
ST/M
ON
AM/F
M
21
DO
WN
POW
ER
CD P
LAYE
R
IR S
TATU
S
PO
WE
RC
H 2
VO
LU
ME
ON
CH
1V
OL
UM
E
MIN
MA
XM
INM
AX
CLIP
PR
OT
SIG
NA
LC
LIP
PR
OT
SIG
NA
L
CH
1C
H 2
13
CD
+T
UN
ER
PL
AY
ER
10. BLOCK DIAGRAM
LIN
E1
LIN
E2
LIN
E3
LIN
E4
MIC
1
MIC
2
AM
P
AM
P
AM
P
AM
P
AM
P
AM
P
LO
W
LO
W
LO
W
HIG
H
HIG
H
HIG
H
SW
PH
L1
L2
L3
L4
PH
VO
L
VO
L
GA
IN
GA
INGA
IN
GA
IN
GA
IN
GA
IN
VO
L
L
L/R L/R
L/R
L/R
R
AL
AR
M
RE
C O
UT
LE
VE
L
R O
UT
PU
T
PE
AK
SIG
LE
VE
L
L O
UT
PU
T
PE
AK
SIG
TR
IG
14
11. SPECIFICATIONS
NET WEIGHT
Balanced Zone Outputs
Minimum load impedance
Maximum output level
Power input
Fuse rating
Dimensions
MODEL
LINE1-4 INPUTS
IPA-SMP
Frequency Response
Distortion
Sensitivity
Input Gain Control
Input Impedance
Noise
Equalisation
Frequency Response
Distortion
Gain Range
Input Impedance
Phantom power
Equalisation
Microphone1-2 Inputs
Noise
REC output level
Outputs
ELSE
>2k¦(balanced)
+15V (PCB jumper for on/off)
TREBLE: Ў10dB/5kHz BASS: Ў10dB/100Hz
-65dB A weighted
775mV (0dBu) 3 pin 'Phoenix' type connector
+20dBu (7.75V)
600 ohms
-12dBu (200MV)
~230V 50Hz
Z8: 230V T125mA H 115V T250mA H
484mm x 300mmx44mm(1U)
195mV (-12dBu) to 2.0V (+8dBu)
20Hz-20kHz Ў0.5dB
20dB range
<0.05% 20Hz -20kHz
-90dB A weighted (0dB gain)
TREBLE: Ў10dB/10kHz BASS: Ў10dB/100Hz
10dB-50dB
<0.05% 20Hz-20kHz
100Hz / -3dB(filter) 20kHz Ў0.5dB
47k¦
3.9Kg
15
Over 100
Mo
re t
ha
n1
00
Over 100
UNIT:mm
3
44
41
315
2954
5
48
436
484
12. DIMENSIONAL DIAGRAM
INPUTS MIC 1MIC 2
2 13
OUTPUTS REC LINE 2 LINE 1
GAIN
LINE 4 LINE 3
GAINGAIN ALARM
RIGHT
LEFT GAIN
USE ONLY WITHA 250W FUSE
1 2 3 4
ON
12
3
12
3
VOLTAGE SELECTOR
MIC
LINE
GAIN
MIC
LINE
GAIN
1 23
RIGHTMIC1 PRIORITY
MIC2 PRIORITY
MIC2 +48V PHANTOM
1
2
3
4 MIC1 +48V PHANTOM
1 2 3 4
LEFT
0.775V/600¦ 0.775V/600¦ 4mV-45mV/600¦ 4mV-45mV/600¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
125mV-1.2V 10k¦
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
BASS BASS BASS
0
RIGHTMASTER
MASTERLEFT
+3 0 -3 -8 -13
MIC1 MIC2 SOURCE MUSIC OUTPUT LEVEL
LEVEL TREBLE TREBLE LEVEL TREBLE
0
LEVEL
2
3
45
6
7
8
10 0
1 9L1
L2
L3
L4
POWER
ON
OFF
000
45
6
7
10 0
9
2
3
1
8
0
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
2
3
45
6
7
8
10 0
1 9
BASS BASS BASS
0
RIGHTMASTER
MASTERLEFT
+3 0 -3 -8 -13
MIC1 MIC2 SOURCE MUSIC OUTPUT LEVEL
LEVEL TREBLE TREBLE LEVEL TREBLE
0
LEVEL
2
3
45
6
7
8
10 0
1 9L1
L2
L3
L4
POWER
ON
OFF
000
45
6
7
10 0
9
2
3
1
8
0
UNIT:mm
16
PUBLIC ADDRESS SYSTEM
VersionV0.1
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