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10 

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 working 

condition. 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 the 

“resources” area of the website. 

3.  If you are returning the unit for service, pack the unit in its original carton or a reasonable 

substitute. The original packaging may not be suitable as a shipping carton, so consider putting 

the packaged unit in another box for shipping. Print the RA number clearly on the outside of the 

shipping 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 return 

shipping address (we cannot ship to a P.O. box) and a daytime phone number, and a description 

of the problem, preferably attached to the top of the unit. Also include a copy of your purchase 

receipt. 

Fill in the following information for your reference: 

Date of purchase  

___________________ 

Purchased from 

___________________ 

Serial Number   

___________________ 

Summary of Contents for CX311

Page 1: ...CX311 Stereo 2 Way Active Crossover with Subwoofer Output USER S GUIDE...

Page 2: ...n or against Grounding Do not defeat the grounding and polarization means of the power cord plug Do not remove or tamper with the ground connection on the power cord Moisture To reduce the risk of fir...

Page 3: ...Controls 6 Low Cut Filter Switch 6 Crossover Frequency Control 6 High Output Level Control 6 Phase Switch 6 Sub Output Level Control 7 Subwoofer Frequency Control 7 REAR PANEL CONNECTORS 7 XLR Input J...

Page 4: ...otary controls while the subwoofer channel features its own output level and crossover frequency rotary controls A low cut switch for each channel may be used to remove unwanted subsonic audio that ca...

Page 5: ...o 120VAC at 50 60Hz Units manufactured for use outside of the United States have been modified to comply with the required electrical specifications for the country of destination Before plugging the...

Page 6: ...your amplifiers and speakers CROSSOVER FREQUENCY CONTROL Each channel of the CX311 has a crossover FREQUENCY control to set the crossover point for the high and low frequencies These controls cover th...

Page 7: ...l covers the frequency range of 50 Hz to 250 Hz For this function both of the input channel signals are combined and frequencies below the set frequency will be sent to the SUBWOOFER OUTPUT This is in...

Page 8: ...ualizer Crossover Power Amplifier Speaker Cabinets Sometimes a limiter is placed between the mixer outputs and the equalizer or after the equalizer for system protection Initial Setup Tips 1 Set all l...

Page 9: ...sions 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...

Page 10: ...the website 3 If you are returning the unit for service pack the unit in its original carton or a reasonable substitute The original packaging may not be suitable as a shipping carton so consider putt...

Page 11: ...100k Ohms Output Impedance 220 Ohms Maximum Input Level 21dBu Maximum Output Level 21dBu Total Harmonic Distortion THD 0 01 20Hz 20kHz 0dBu Maximum Gain 4dB Power Requirements 110 125V AC 50 60hz 15W...

Page 12: ...12 www artproaudio com E mail support artproaudio com 2010 Applied Research Technology CX311 V1 1...

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