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8760 South Sandy Parkway • Sandy, Utah 84070

Phone: (801) 568-7660  •  Fax (801) 568-7662

Int’l Fax: (801) 568-7583

E-mail us at: [email protected] or visit us on

the web at:

www.dbxpro.com • www.driverack.com 

www.blueseries.com

A Harman International Company

18-1333V-A Printed in China 

®

The Professional’s Choice In Signal Processing

Summary of Contents for 131, 215, 231

Page 1: ...User Manual 2 Series Graphic Equalizers 131 215 231 ...

Page 2: ... shock refer servicing to qualified service personnel or equivalent This Equipment is intended for rack mount use only SAFETY INSTRUCTIONS NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER CORD WARNING THIS APPLIANCE MUST BE EARTHED The cores in the mains lead are coloured in accordance with the following code GREEN andYELLOW Earth BLUE Neutral BROWN Live As colours of the cores in the ma...

Page 3: ...ti VARNING Explosionsfara vid felaktigt batteribyte Använd samma bat terityp eller en ekvivalent typ som rekommenderas av apparattillverkaren Kassera använt batteri enligt fabrikan tens instruktion IMPORTANT SAFETY INSTRUCTIONS ELECTROMAGNETIC COMPATIBILITY This unit conforms to the Product Specifications noted on the Declaration of Conformity Operation is subject to the following two conditions t...

Page 4: ...tion procedures If you are still unable to solve a problem contact our Customer Service Department at 801 568 7660 for consultation If you need to return a product to the factory for service you MUST contact Customer Service to obtain a Return Authorization Number No returned products will be accepted at the factory without a Return Authorization Number Please refer to the Warranty information on ...

Page 5: ...om the factory where all parts and labor will be covered up to a period of 2 years A Return Authorization number must be obtained from dbx by telephone The company shall not be liable for any consequential damage as a result of the product s use in any circuit or assembly 4 dbx reserves the right to make changes in design or make additions to or improvements upon this product without incurring any...

Page 6: ...r sound The 2 Series Equalizers include the following features 131 One 31 band 1 3 octave Constant Q frequency bands 215 Two 15 band 2 3 octave Constant Q frequency bands 231 Two 31 band 1 3 octave Constant Q frequency bands Switchable boost cut ranges of 6 or 12 dB 12 dB per octave 50Hz low cut filter Front panel bypass switch 12 dB input gain range 4 segment LED ladders for monitoring output lev...

Page 7: ... at the output of the equalizer after all other processing Clip LED This LED lights whenever any internal signal level reaches 3dB below clip ping which may occur when any of the following happen 1 the input signal is hot ter than 22dBu 2 excessive gain is applied by the input gain control or 3 exces sive boost is applied using the frequency sliders Frequency Band Slider Controls Each one of these...

Page 8: ... 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 one output may be used simultaneously as long as the combined parallel load is greater than 2kΩ Select the operating range with the BOOST CUT RANGE ...

Page 9: ...ctor carrying the signal and the shield at ground potential Input Cable Configurations The equalizer has an input impedance of 40kΩ bal anced and 20kΩ unbalanced This makes the 2 Series Equalizers audio inputs suit able 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 wit...

Page 10: ...ced unbalanced RF filtered Impedance Balanced 40kΩ unbalanced 20kΩ Max Input Level 21dBu balanced or unbalanced CMRR 40dB typically 55dB at 1kHz Outputs Connectors 1 4 TRS male XLR pin 2 hot Type Impedance balanced unbalanced RF filtered Impedance Balanced 100Ω unbalanced 50Ω Max Output Level 21dBu balanced unbalanced into 2kΩ or greater 18dBm balanced unbalanced into 600Ω System Performance Bandw...

Page 11: ...User Manual 2 Series Notes ...

Page 12: ...60 Fax 801 568 7662 Int l Fax 801 568 7583 E mail us at customer dbxpro com or visit us on the web at www dbxpro com www driverack com www blueseries com A Harman International Company 18 1333V A Printed in China The Professional s Choice In Signal Processing ...

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