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Specifications are subject to change without notice

 

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A.   •    TELEPHONE: (800) 876-3333   •   FAX: (800) 765-3435

©2006 ATLAS SOUND LP 

Printed in USA 

 

ATS002536 RevA 10/06 

PP 

OWNER'S MANUAL

EQM131 31 BAND GRAPHIC EQUALIZER

11

NOTES:

Summary of Contents for 31 Band Graphic Equalizer EQM131

Page 1: ... are subject to change without notice AtlasSound com 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A TELEPHONE 800 876 3333 FAX 800 765 3435 2006 ATLAS SOUND LP Printed in USA ATS002536 RevA 10 06 PP OWNER S MANUAL EQM131 31 BAND GRAPHIC EQUALIZER ...

Page 2: ...0 765 3435 2006 ATLAS SOUND LP Printed in USA ATS002536 RevA 10 06 PP OWNER S MANUAL EQM131 31 BAND GRAPHIC EQUALIZER 2 CONTENTS Safety Instructions 3 Introduction Features and Applications 4 Safety Precautions 4 Front Panel Description 6 Rear Panel Description 7 Installation Considerations 8 Connecting the EQM131 9 Specifications 10 Warranty 12 ...

Page 3: ... 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 the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped Operate the product only with the voltage specified on the unit Fire and or e...

Page 4: ...ariety of applications It is designed and manufactured using the highest quality components available This equalizer can be used for live sound studio monitors install room correction or sound masking It is ideal to use this model with the Atlas AA SMG masking generator SAFETY PRECAUTIONS WHEN THE DEVICE IS IN USE To prevent electric shock do not remove the product cover as there are high voltage ...

Page 5: ...ure rise When the Product is in Use When powering the product up for the first time ensure that the level control is turned down Unexpected high sound pressure levels may be present at the speakers and result in hearing loss Never place heavy objects on the product causing it to fall and or break resulting in personal injury and property damage In addition the product itself may fall and cause inj...

Page 6: ...ght will illuminate indicating the selection 4 EQ Bypass Switch Indicator This switch allows you to bypass the EQ When in Bypass mode a red LED will illuminate Note When selecting between bypass and active mode a level variance will occur if the master level is not set to match the incoming level 5 Clip Indicator This LED will illuminate if the input level exceeds 22dBM If this occurs turn down th...

Page 7: ...n be accomplished by wiring the XLR Male and Female connectors as Pin 2 Pin 3 and Pin 1 GND For unbalanced signals connect Pins 1 3 together 3 RCA Input Output Connectors Unbalanced signals are only available when using the RCA connectors 4 Ground Lift Switch This switch breaks or makes the electrical connection between circuit ground and chassis ground If hum is audible select the setting that el...

Page 8: ...conductor carrying the signal and the shield at ground potential Input Cable Configurations The equalizer has an input impedance of 20kΩ balanced and 15kΩ unbalanced This makes the EQM131 Equalizer s audio inputs suitable for use with virtually any low source impedance under 2kΩ Output Cable Configurations The equalizer s output is capable of driving a 2kΩ load to 18dBu For maximum hum rejection w...

Page 9: ...audio connections via XLR 1 4 TRS or RCA jacks according to application needs Three types of connectors for the inputs and outputs can be used for balanced or unbalanced connections The use of more than one connector at a time for the inputs could unbalance balanced lines cause phase cancellation short a conductor to ground or cause damage to other equipment connected to the equalizer More than on...

Page 10: ... SPECIFICATIONS EQ TYPE Mono 1 3 Octave BANDS FILTERS 31 FILTER TYPE Constant Q INPUT IMPEDANCE 20kHz Balanced 15kHz Unbalanced MAXIMUM INPUT LEVEL 22dBm OUTPUT IMPEDANCE 150Ω MAXIMUM OUTPUT LEVEL 22dBm Balanced 18dBm Unbalanced SIGNAL TO NOISE LEVEL 94dB THD 01 FREQUENCY RESPONSE 20Hz 20kHz 5dB POWER REQUIRMENT 115 230V 50 60Hz FUSE 100 120V use T500mA 250V 200 240V use T250mA 250V DIMENSIONS 1 7...

Page 11: ...e without notice AtlasSound com 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A TELEPHONE 800 876 3333 FAX 800 765 3435 2006 ATLAS SOUND LP Printed in USA ATS002536 RevA 10 06 PP OWNER S MANUAL EQM131 31 BAND GRAPHIC EQUALIZER 11 NOTES ...

Page 12: ...ed or installed in other than a workman like manner The original sales invoice should be retained as evidence of purchase under the terms of this warranty All warranty returns must comply with our returns policy set forth below When products returned to Atlas Sound do not qualify for repair or replacement under our warranty repairs may be performed at prevailing costs for material and labor unless...

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