ART CX310 Active Crossover Sm

7/28/2019 ART CX310 Active Crossover Sm

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IMPORTANT SAFETY INSTRUCTIONS READ FIRST

This symbol, wherever it appears, This symbol, wherever it appears, alerts youalerts you to the presence of uninsulated to important operating and maintenance

dangerous voltages inside the enclosure that instructions in the accompanying literature.may be sufficient to constitute a risk of shock. Please read the manual.

Read instructionsRetain these safety and operating instructions for future reference. Heed all warnings printed here and on theequipment. Follow the operating instructions printed in this user guide.

Do not openThere are no user serviceable parts inside. Refer any service work to qualified technical personnel only.

Power sourcesOnly connect the unit to mains power of the type described in this user guide or marked on the rear panel. Thepower source must provide a good ground connection.

Power cordUse the power cord with sealed mains plug appropriate for your local main supply as provided with theequipment. If the provided plug does not fit into you outlet consult your service agent. Route the power cord sothat it is not likely to be walked on, stretched or pinched by items placed upon or against.

GroundingDo not defeat the grounding and polarization means of the power cord plug. Do not remove or tamper with theground connection on the power cord.

MoistureTo reduce the risk of fire or electrical shock, do not expose the unit to rain, moisture or use in damp or wetconditions. Do not place container of liquid on it, which may spill into any openings

HeatDo not locate the unit in a place close to excessive heat or direct sunlight, as this could be a fire hazard.Locate the unit away from any equipment, which produces heat such as: power supplies, power amplifiers andheaters.

EnvironmentProtect from excessive dirt, dust, heat, and vibration when operating and storing. Avoid tobacco ash, drinkspillage and smoke especially that associated with smoke machines.

HandlingProtect the controls from damage during transit. Use adequate padding if you need to ship the unit. To avoidinjury to yourself or damage to the equipment take care when lifting, moving or carrying the unit.

ServicingSwitch off the equipment and unplug the power cord immediately if it is exposed to moisture, spilled liquid or the power cord or plug becomes damaged during a lightning storm or if smoke odor or noise is noted. Refer servicing to qualified technical personnel only.

InstallationInstall the unit in accordance with the instruction printed in the user guide.

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IMPORTANT SAFETY INSTRUCTIONS READ FIRST ............................................................2OVERVIEW .....................................................................................................................................................4

Features ...........................................................................................................................................................4

INSTALLATION .............................................................................................................................................5AC POWER HOOKUP ......................................................................................................................................5

INPUT/OUTPUT CONNECTIONS ....................................................................................................................5

MONO 3-WAY CONFIGURATION ...................................................................................................................5Connections:..................................................................................................................................................5Controls: ........................................................................................................................................................5

OPERATION ......................................................................................................................................................6FRONT PANEL CONTROLS ...................................................................................................................6

POWER SWITCH..........................................................................................................................................6CLIP INDICATORS .......................................................................................................................................6INPUT LEVEL CONTROLS...........................................................................................................................6MUTE SWITCHES ........................................................................................................................................6LOW AND HIGH OUTPUT LEVEL CONTROLS...........................................................................................6CROSSOVER FREQUENCY CONTROLS and RANGE SWITCHES ..........................................................7

REAR PANEL CONNECTORS and CONTROLS .............................................................................7XLR JACKS...................................................................................................................................................71/4 PHONE JACKS......................................................................................................................................7MONO/STEREO MODE SWITCH.................................................................................................................7

APPLICATIONS ............................................................................................................................................8Typical Setup ...................................................................................................................................................8

Signal Flow ......................................................................................................................................................8

Initial Setup Tips .............................................................................................................................................8

SERVICE PARTS .........................................................................................................................................9

FULL BILL OF MATERIALS ...................................................................................................................10Assembly .......................................................................................................................................................10

Main Ckt Board ..............................................................................................................................................11

SCHEMATICS ..............................................................................................................................................13WARRANTY INFORMATION ................................................................................................................15

Limited Warranty ...........................................................................................................................................15

SERVICE ........................................................................................................................................................16SPECIFICATIONS ......................................................................................................................................17

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OVERVIEW

The ART CX310 Stereo 2-Way/ Mono 3-Way Active Crossover is a perfect addition to any soundreinforcement system. Designed for PA and fixed-installation applications, the CX310 employs 24dB/octave state-variable, fourth-order, Linkwitz-Riley filters. These filters guarantee in-phase outputs atall frequencies. This ensures the proper acoustic summing of common signals from adjacent drivers

in the crossover region.The CX310 may be used as either a stereo 2-way crossover network, splitting the signal in eachchannel into two separate frequency ranges (Lo and Hi), or as a mono 3-way crossover network,splitting one signal into three separate frequency ranges (Lo, Mid and Hi).

Each channel features input level, high and low output level and crossover frequency rotary controls. A frequency x10 switch is provided for varying the crossover frequency from the standard 80Hz -920Hz to 800Hz - 9200Hz. Front-panel output mute switches are provided for each individual outputto ease system setup. The rear panel features balanced XLR and 1/4 TRS input and outputconnectors as well as a 2-way/ 3-way mode selector switch. Power for the CX310 is internal.

The ART CX310 Stereo 2-Way/ Mono 3-Way Active Crossover has the features and performance you

need for any audio application requiring a crossover. Housed in a rugged all-steel chassis, the modelCX310 will provide years of reliable and continuous service.

Features

Stereo 2-way or mono 3-way configurations Fourth-order Linkwitz-Riley filters Balanced XLR and 1/4" TRS input and output connectors Adjustable crossover frequency range (80Hz to 920Hz or 800Hz to 9.2kHz) Independent output level control for each output Individual output muting switches Clipping indicators on all outputs Rugged, fully shielded all-steel chassis Internal AC power supply Three year warranty

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INSTALLATION

The ART CX310 may be used in a wide variety of applications and environments. Enclosed in a 1U(1.75 inches high) rack-mountable, all-steel enclosure, the unit is designed for continuousprofessional use. The depth is 6.5 inches, exclusive of the power cord. Mounting location is notcritical. However, for greater reliability, we recommend that you not place the unit on top of power amps or other sources of heat.

AC POWER HOOKUP

The CX310 has an internal power supply designed to operate from 105 to 120VAC at 50/60Hz.Export units are configured with a different power cord and the voltage switch is set for the country of destination. Before plugging the CX310 into the AC mains, make sure that all of the equipmentfollowing the crossover outputs are turned off or that all of the outputs are turned down.

INPUT/OUTPUT CONNECTIONS

The CX310 has XLR and 1/4" TRS phone jack connectors for each input and output. All connectionsare active balanced although the 1/4" phone jack connections can easily be converted to unbalancedoperation by using two-conductor phone plugs. Inserting a plug into a 1/4" jack disconnects theassociated XLR connector.

MONO 3-WAY CONFIGURATION

This information is intended to clarify how the CX310 is used in the mono 3-way configuration.

Connections:

Input Channel One INPUT(Channel Two INPUT not used)

Low Output Channel One LOW OUTPUTMid Output Channel Two LOW OUTPUTHigh Output Channel Two HIGH OUTPUT

(Channel One HIGH OUTPUT not used)Controls:

Input Level Channel One INPUT LEVEL controlLow Output Mute Channel One LOW MUTE switchLow Output Level Channel One LOW OUTPUT LEVEL controlLow/Mid Crossover Channel One RANGE switch and FREQUENCY control

(Channel One HIGH MUTE switch andHIGH OUTPUT LEVEL control not used)

(Channel Two INPUT LEVEL control not used)Mid Output Mute Channel Two LOW MUTE switchMid Output Level Channel Two LOW OUTPUT LEVEL controlMid/High Crossover Channel Two RANGE switch and FREQUENCY controlHigh Output Mute Channel Two HIGH MUTE switchHigh Output Level Channel Two HIGH OUTPUT LEVEL control

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OPERATION

FRONT PANEL CONTROLS

POWER SWITCH

The POWER switch applies and removes power to the unit. Make sure that all equipment after theCX310 is either off or the outputs are turned all the way down before turning the CX310 on or off.

CLIP INDICATORS

Separate HIGH and LOW CLIP indicators are provided for each channel of the CX310. These

indicators will light at approximately 3dB before clipping occurs in any stage of the channel. Toprevent overloading the channel, either turn down the CX310 input control or turn down the outputlevel of the piece of equipment feeding the CX310 (i.e. mixer, equalizer or other piece of processingequipment.).

INPUT LEVEL CONTROLS

An INPUT LEVEL control is provided on each channel of the CX310. If you are using the CX310 as amono 3-way crossover, the Channel One INPUT CONTROL is the only one used. The INPUT LEVELcontrol should be set at its 0 marking in most cases. Increasing or decreasing gain should only bedone to make up for deficiencies in other parts of the system.

MUTE SWITCHES

MUTE switches are provided for each output on the CX310. These are intended for use when settingup your system and testing either the crossover frequency point or the separate amplifiers andspeakers they are feeding. These switches allow you to isolate a specific frequency output on aspecific channel for fine-tuning or troubleshooting. It is not recommended that you mute or un-muteany frequency band during normal usage. Levels should be turned down when the MUTE switchesare activated or de-activated.

LOW AND HIGH OUTPUT LEVEL CONTROLS

Each channel of the CX310 has LOW and HIGH OUTPUT LEVEL controls. These controls are usedto trim the output levels to the LOW and HIGH OUTPUT jacks on the rear of the unit, respectively. If you are using the CX310 as a mono 3-way crossover, the Channel One LOW OUTPUT LEVELcontrol sets the level of the LOW OUTPUT, the Channel Two LOW OUTPUT LEVEL control sets thelevel of the MID OUTPUT, and the Channel Two HIGH OUTPUT LEVEL control sets the level of theHIGH OUTPUT.

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These controls attenuate only (there is no gain). In most cases you would set them to 0 (fullyclockwise). You can use these controls to prevent overdriving the inputs of your amplifiers or tocompensate for variations in amplifier gain or speaker efficiency. Additionally, you can use thesecontrols to balance the level between highs and lows in your system.

CROSSOVER FREQUENCY CONTROLS and RANGE SWITCHES

Each channel of the CX310 has a crossover FREQUENCY control and RANGE switch to set the

crossover point for the high and low frequencies. These controls cover the frequency range of 80Hz -920Hz, with the RANGE switch in the out position (x1), or 800Hz to 9.2kHz, with the RANGE switchin the in position (x10). All frequencies below the set frequency will be sent to the LOW OUTPUT andall frequencies above will be sent to the HIGH OUTPUT.

When the CX310 is used as a stereo 2-way crossover, both RANGE switches will most commonly beused in the out position (80Hz-920Hz). When used as a mono 3-way crossover, the Channel One FREQUENCY control is used to set the Low/Mid frequency point and the Channel Two FREQUENCY control is used to set the Mid/High frequency point. In this case, the Channel One RANGE switch will most commonly be used in the out position (80Hz-920Hz), while the ChannelTwo RANGE switch will most commonly be used in the in position (800Hz-9.2kHz).

The crossover filters are 4-pole Linkwitz-Riley designs (24dB/octave). This yields a sharp roll off tohelp protect speakers and the outputs sum to a flat response.

NOTE:Never change the frequency range switches (from x1 to x10 position - or vice versa) with thecrossover passing audio signals. This may produce transients that can damage speakers.

REAR PANEL CONNECTORS and CONTROLS

It is easy to interface the unit with a wide variety of equipment. The rear panel has balanced XLR and1/4 phone jack connectors.

XLR JACKS

The XLR connections are balanced and follow the AES standard for wiring: Pin 1 = Ground, Pin 2 =Hot (+) and Pin 3 = Cold (-). These connectors directly parallel the associated 1/4 connectors.

1/4 PHONE JACKS

The 1/4 connections are balanced with Tip = Hot (+), Ring = Cold (-), and Sleeve = Ground. A two-conductor (tip and sleeve) shorts the Cold (-) and Ground connections together to convert tounbalanced operation. Inserting a plug into a 1/4" jack disconnects the associated XLR connector.

MONO/STEREO MODE SWITCH

This switch configures the CX310 for stereo 2-way operation with the switch in the out position or for mono 3-way operation with the switch in the in position.

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APPLICATIONS

The following guidelines refer to a P.A. system, but the same basic ideas apply to a home recordingsetup or a Hi-Fi system.

Typical Setup

For a stereo 2-way system, separate high frequency (horn or tweeter) and low frequency (bass or

subwoofer) speaker cabinets are used for each channel (left and right) of the stereo sound systemand are driven by their own power amplifiers. For a mono 3-way system, separate high frequency(horn or tweeter), mid frequency (mid or full range) and low frequency (bass or subwoofer) cabinetsare used for each channel of the sound system.

The crossover is used to split each channel's signal into two or three frequency bands, which feedseparate amplifiers. This delivers the proper frequencies to each speaker cabinet as well as allowingits associated amplifier to produce acoustic power more efficiently.

Note: You will need two 310 crossovers if your three-way system is stereo.

It is very important that you use caution when selecting the crossover points for any system.Refer to the documentation that came with your speaker cabinets for information on their proper frequency ranges. This is especially important for high frequency horns; damage mayoccur from sending lower frequencies than specified into the drivers!

Signal Flow

In most situations, the crossover is the last piece of equipment in the signal chain before the power amplifiers. Signal flow is as follows:

Mixer Equalizer Crossover Power Amplifier Speaker CabinetsSometimes a limiter is placed between the mixer outputs and the equalizer or after the equalizer for

system protection.

Initial Setup Tips

1. Set all level controls to their full counter-clockwise position.2. Connect the output(s) of your mixer (or equalizer) to the input(s) of the CX310. If stereo,

Channel One is left.3. Connect the LOW OUTPUT of each channel (LOW OUTPUT of Channel One for mono

3-way configuration) to the power amplifier powering the low frequency cabinet(s).4. If set for mono 3-way, connect the MID output (LOW OUTPUT of Channel Two) to the

power amplifier powering the mid frequency cabinet.

5. Connect the HIGH OUTPUT of each channel (HIGH OUTPUT of Channel Two for mono3-way configuration) to the power amplifier powering the high frequency cabinet(s).6. Set the crossover frequency for each channel (they should be the same if your PA

cabinets are the same) or each frequency band for mono 3-way configuration.7. With the power amplifier volume controls turned all the way down, turn on all equipment in

the system.8. With a program source running through the system, turn up the power amplifier volume

controls and slowly turn up the crossover input level controls while checking for clipping.9. Turn up each of the crossover's output level controls while checking each individual output

for sound and performance.

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SERVICE PARTS

PART # DESCRIPTION PART USAGE LOCATION

100-5021-101 SWT DPDT LATCHING

switches for low mute,range, high mute,mono/stereo (ALL)

100-5225-102 CON JACK 1/4" STEREO input and output jacks 310-2001-101 RSP POT 10KB level pots IN/OUTPUTS 310-2002-101 RSP POT 50KX4 frequency pots FREQUENCY

310-2003-101 MLD CAP SWITCH BLACK

switch caps for low mute,range, high mute,mono/stereo All switches

310-2004-101 MLD CAP POT BLK,GREY CAPW/WHITE LINE All pots

310-2005-101 CON FUSE 1/2 A 5X20MM SLO-BLO fuse

341-2008-101

CON JACK XLR MALE

output jacks

X4, X6,HIGHOUTPUT*2

341-2009-101 CON JACK XLR FEMALE input jacks X1, X5

310-2006-101 XFM POWER SUPPLY BOARDUPDATED New XFM TFC006EIS1

3102007101 DIG I.C. JRC2068IC101-104, IC108-109,IC 111-112

3102008101 DIG I.C. HCF4068 IC113, IC213 1005269104 Pwr swt SPST 6A w/LED Front panel

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FULL BILL OF MATERIALS

Assembly

ART part# Vendor part# DESCRIPTION LOCATION QTY3102006101 APDR016001 power board module CX-152/SE-100A Shelf-finished 1

APDR016002 ART-310 main board DIP Shelf-finished 1 APDR056002 LED board DIP Shelf-finished 2

1001094110 FU31502D21 fuse 0.5A/250V 5*20mm SLOW BLOW Slow-off type 1JAH20622I1 FUSE-HOLDER CQ-206F 1

3102003101 KPCR061201 button P-08 M704Y1001H01 SQ BLK SWT CAP 73102004101 KPCT131602 knob CP-MB1-5-T18(M704D0001H15 POT KNOBS 83102001201 MBP00R0261 chassis FOR ART-311 black 13102003201 MCP00R0261 top cover, black 13102002201 MPP00R0261 front plate CX311 black silk-printing 1

MFS00R0561 front stand 1

NSA3006RB1 screw M3*6mm black lock LED board to the frontstand 4

NNN3025HN1 nut M3*2.5mm tinning 1

NSA3006FB1 screw M3*6mm blacklock cover, front stand, L typeplate to chassis 16

NSA3016PB1 screw M3*16mm round, black FOR 1U lock front plate to front stand 4NSM3008PB1 screw M3*8mm round black lock ground lug 2NSS3006PB1 screw M3*6mm round black lock XLR 12NWG35071N1 Plum meson d=3.5mm*D=7mm lock ground lug 1

1005269104 SW18110002 switch 6A with LED 1NSM3006PB1 screw M3*6mm round black lock switchable switch 2SW09120001 switch 115V/230V 1WPE13633F2 power cord USA round 180 degree SVT 18#*3G USA +205# terminal 1WPS08663H1 power cord Europe 90 degree ,H030 75m 2*3G Europe +205# female terminal 1

CX-310 packaging

GE026BAGL1 plastic bag 170*270*0.04mm for manual 1GR025INBP1 gift box FOR ART-CX FOR UNIT 1GE136BAGL1 plastic bag 260*570*0.07mm FOR UNIT 1GA136BAGL3 plastic bag 120x250x0.07mm w/warning mark FOR POWER CORD 1GE136CSHC1 rubber feet 1U EPE EPE, white 2

3102004102 GR026G0001 manual FOR CX-310 1

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Main Ckt Board

ART part# Vendor part# DESCRIPTION LOCATION QTY

CX310 MAIN CKT BOARD

1001037111 CC1040B4M2 .1uf/50v CC 20% 5.0mm TAPING C107 108 207 208 4

CC2210B4K2 220P/50V CC 10% 5.0mm TAPING C104 102 118 125 128 135204 202 218 225 228 235 12

CC2210B4M2 220PF/50V CC 20% 5.0mm TAPING R184 186 284 286 4

1001162124 CE107022M2 100UF/25V EC 20% 5.0mm TAPING C120 122 130 132 141-145220 222 230 232 241-245 18

1001162109 CE476021M2 47UF/16V EC 20% 5.0mm TAPING C166 167 266 267 4CE477022M2 470uF/25V EC 20% 5.0mm TAPING C137 138 237 238 4CM1530B5J2 0.015UF/100V PEI 5% 5.0mm TAPING C109-112 C209-212 8

CM1820B5J2 1800PF/100V PEI 5% 5.0mm TAPINGC117 124 127 134 157 160161 164 217 224 227 234 257260 261 264

16

CM8220B5J2 8200PF/100V PEI 5% 5.0mm TAPING C168 267 2

CZ1040B4M2 0.1UF/50V 20% 5.0mm X7R TAPING

C103 106 119 126 129 136

156 158 162 163 165 200 203219 226 229 236 159 256 258259 262 263 265

24

1001029101 DE24148001 diode IN4148 TAPING D101-104 D201-204 81001030104 DE35235001 diode IN5235B(1/2W 6.8V) TAPING D105 106 205 206 4

RE115043J4 1.5M1/4W 5% TAPING R173 R174 R177 R178 R273R277 R274 R278 8

1001001401 RE810023F4 10K1/4W 1% TAPING

R121 123 126 129 140 144155-162 176 221 223 226 229240 244 255-262 276 184-188284-288

40

RE810033F4 100K1/4W 1% TAPINGR107 108 111 112 122 128175 207 208 211 212 222 228

275

14

RE815003F4 1501/4W 1% TAPING R106 109 110 113 206 209210 213 8

RE815013F4 1.5K1/4W 1% TAPING R168 179 268 279 4RE815423F4 15.4K1/4W 1% TAPING R141 241 2

1001001339 RE824913F4 2.49K1/4W 1% TAPING R142 242 2RE826713F4 2.67K1/4W 1% TAPING R171 172 271 272 4RE827423F4 27.4K 1/4W 1% TAPING R124 131 224 231 4

1001001354 RE835713F4 3.57K1/4W 1% TAPING R143 145 243 245 4

1001001358 RE839213F4 3.92K1/4W 1% TAPING R139 239 2

1001001368 RE849913F4 4.99K1/4W 1% TAPING R125 130 225 230 4

RE856203F4 5621/4W 1% TAPING R181 182 281 282 4

RE875013F4 7.5K1/4W 1% TAPING R127 227 120 220 4

RE882503F4 8251/4W 1% TAPING R183 283 2

CS1040IDK1 0.1UF/400V 10% 15.0mm C101 1

3102007101 IC2068DD11 IC NJM2068DD DIP8 IC101-104 108 109 111 112201-204 208 209 211 212 16

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ART part# Vendor part# DESCRIPTION LOCATION QTY

3102008101 IC4066BP11 IC TC4066BP DIP IC113 213 2

JAB00321I1 ack BASE A2501-WV2-3P J101 1

RE6220B4J4 2.2R MO 1/2W 5% TAPING R102 103 2

RE7B1032G5 8PIN 1/8W B103 2%RP101 102 105 106 107 108201 202 205 206 207 208 12

1005225102 JA406311L2 ack PHONE D=6.3mm JLJ0661-6 IN1*2 X2-4 X6 6

3412009101 JA700311L1 ack XLR JACK female 94M-007P1 X1 X5 2

3412008101 JA700321L1 ack XLR JACK male 93M-108P1 X7 X8 HIGH OUT1*2 4

3102002101 VR3B503213 B50K*4 VR RV124NG KQ15mm 10% VR104 VR204 2

3102001101 VR5B10321D B10K VR RV1210 KQ 15mm 20% VR101 102 103 201 202 203 6

1005021101 SW03220001 SWT DPDT LATCHING switch PS-909L-22 SW102--SW104 SW202-

SW205

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CX310 LED ASSEMBLY

PCR056251A printing circuit FOR CX-152LED board \ 94V0 1.6mm 1

1001031111 DE51103001 diode D=3mm red 2

EXLEDR0561 LED SUPPORT LED-8 L= 8mm 2

CX-310 POWER CKT BOARD ASSEMBLY

1001037111 CC1040B4M2 CC 0.1UF/50V 20% 5.0mm TAPING C4 5 8 9 12 13 6

CC4720DDM1 4700PF/400V 20% 10.0mm C10 1

CD4710DTK1 Surge absorber 14D 471 10%10.0mm C1 1

1001162112 CE108021M1 EC 1000UF/16V 20%5.0mm C6 7 2

1001162107 CE228033M1 EC 2200UF/35V 20%7.5mm C2 3 2

DE70W04001 Bridge rectifier W04M 1A/400V DB1 1

1001042102 IC00781552 IC 7815 TO-220 IC1 1

1001042101 IC00791552 IC 7915 TO-220 IC2 1

RE112013J1 1.2K 1/4W 5% MINI F-TYPE IC3 1-3 1

TFC006EIS1 power supply EI-41 115/230V PIN TYPE FOR CX 1

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1 2 3 4 5 6 7 8

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C144144100uF/200uF/2C137137

470uF/25V 70uF/25V

C138138470uF/25V 70uF/25V

R1021022R2 1/2W R2 1/2W

-15V15V

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C101101

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RP106P106B103J103J

RP105P105B103J103J



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C125125221P21P

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56 7

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R107107100K 00K

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HEMATICS


14/18

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R2772771M5M5

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R26126110K 0K

R25925910K 0K

R25625610K 0K

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C210210153J53J

C264264182J82J

R2432433670R670R


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R2422422490R490R

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R2452453570R570R

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C227227182J82J

C230230100uF/25V 00uF/25V

R213213150R50R

R212212100K 00K

C234234182J82J

C232232100uF/25V 00uF/25V

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+8

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C206206104M5Z04M5Z

C265265104M5Z04M5Z

C262262104M5Z04M5Z

C258258104M5Z04M5Z

C236236104M5Z04M5Z

C226226104M5Z04M5Z

C263263104M5Z04M5Z

C259259104M5Z04M5Z

C256256104M5Z04M5Z

C229229104M5Z04M5Z

C219219104M5Z04M5Z

C208208104Z04Z

C207207104Z04Z

R2032032R2 1/2W R2 1/2W

C241241100uF/25V 00uF/25V

C243243100uF/200uF/

C245245100uF/25V 00uF/25V

C244244100uF/200uF/

C237237470uF/25V 70uF/25V

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C225225221P21P

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C217217182J82J

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2

1


15/18

WARRANTY INFORMATION

Limited Warranty

Applied Research and Technology will provide warranty and service for this unit in accordance withthe following warrants:

Applied Research and Technology, (ART) warrants to the original purchaser that this product and thecomponents thereof will be free from defects in workmanship and materials for a period of three years from the date of purchase. Applied Research and Technology will, without charge, repair or replace, at its option, defective product or component parts upon prepaid delivery to the factoryservice department or authorized service center, accompanied by proof of purchase date in the formof a valid sales receipt.

This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs. This warranty is void if the serial number is altered,defaced, or removed.

ART reserves the right to make changes in design or make additions to or improvements upon thisproduct without any obligation to install the same on products previously manufactured.

ART shall not be liable for any consequential damages, including without limitation damages resultingfrom loss of use. Some states do not allow limitations of incidental or consequential damages, so theabove limitation or exclusion may not apply to you. This warranty gives you specific rights and youmay have other rights, which vary, from state to state.

For units purchased outside the United States, an authorized distributor of Applied Research andTechnology will provide service.

15


16/18

SERVICE

The following information is provided in the unlikely event that your unit requires service.

1. Be sure that the unit is the cause of the problem. Check to make sure that the unit has power supplied, that all cables are connected correctly, and that the cables themselves are in workingcondition. You may want to consult with your dealer for assistance in troubleshooting or testing

your particular configuration.

2. If you believe that the ART unit is at fault, go to www.artproaudio.com . You may contact Customer Service for more assistance, or directly request a Return Authorization for service in theresources area of the website.

3. If you are returning the unit for service, pack the unit in its original carton or a reasonablesubstitute. The original packaging may not be suitable as a shipping carton, so consider puttingthe packaged unit in another box for shipping. Print the RA number clearly on the outside of theshipping box. Print your return shipping address on the outside of the box.

4. Include with your unit: a note with the RA number and your contact information, including a returnshipping address (we cannot ship to a P.O. box) and a daytime phone number, and a descriptionof the problem, preferably attached to the top of the unit. Also include a copy of your purchasereceipt.

Fill in the following information for your reference:

Date of purchase ___________________

Purchased from ___________________

Serial Number ___________________

16
http://www.artproaudio.com/http://www.artproaudio.com/


17/18

SPECIFICATIONS

Input Connections XLR, 1/4 TRS, balancedOutput Connections XLR, 1/4 TRS, balanced

Frequency Response 10Hz to 20kHz, +0/-1.5dB

Crossover Frequency Range

x1 80Hz to 920Hzx10 800Hz to 9.2kHz

Crossover Filter Type Fourth-order Linkwitz-Riley, 24dB/octave

Dynamic Range 118dBSignal to Noise Ratio >85dB

Input Impedance 20k OhmsOutput Impedance 150 Ohms

Maximum Input Level +13dBuMaximum Output Level +21dBu

Total Harmonic Distortion (THD)


18/18

www.artproaudio.comE-mail: [email protected]

2010 Applied Research & Technology

CX310V1.1

Documents

ART CX310 Active Crossover Sm