Biamp DA28R Operation Manual

Text of Biamp DA28R User Guide:

• Biamp DA28R, DA28R Distribution Amp / Router Operation Manual Biamp Systems, 10074 S.W. Arctic Drive, Beaverton, Oregon 97005 U.S.A. (503) 641-7287 www.biamp.com an affiliate of Rauland Borg Corp.

• Biamp DA28R, 1 DA28R TABLE OF CONTENTS Front & Rear Panel Features Logic Input & Transformers Applications Specifications & Block Diagram Warranty pg. 2 pg. 3 pgs. 4 & 5 pg. 6 INTRODUCTION The DA28R is a 2-in by 8-out distribution amp/router. Each input channel accepts mic or line-level signals, and includes phantom power for condenser microphones. All outputs are electronically balanced & floating line-level, with 600 ohm drive capability. Logic inputs allow routing of each input to specific outputs via exter

• Biamp DA28R, 2 FRONT & REAR PANEL FEATURES on DA28R 50/60 Hz ~ 27V 12 watts class 2 wiring logic inputs logic inputs output 8 output 7 output 6 output 5 output 4 output 3 output 2 output 1 CH 1 +10 trim pad +10 trim CH 1 phantom invert logic phantom invert logic CH 2 levellevellevellevellevellevellevellevel pad CH 2 DA28R BIAMP SYSTEMS Portland, Oregon an affiliate of Rauland-Borg Corp. INPUTSOUTPUTS Input Connectors (Channels 1 & 2): These plug-in barrier strips provide the balanced mic/line inputs for Channel 1 & Channel 2. Input isolation transformers (model IT-A) are available as a user installed option (see Transformers on pg.

• 3 LOGIC INPUTS & TRANSFORMERS Logic Inputs: Logic Inputs 1~16 are on pins 1~16, and a common ground is on pins 17~25. Logic Inputs 1~8 affect routing of Channel 1 signal to Outputs 1~8, respectively. Logic Inputs 9~16 affect routing of Channel 2 signal to Outputs 1~8, respectively. Logic Inputs are triggered by being shorted to ground, usually by means of external swi

• Biamp DA28R, 4 APPLICATIONS 50/60 Hz ~ 27V 12 watts class 2 wiring logic inputs logic inputs output 8 output 7 output 6 output 5 output 4 output 3 output 2 output 1 CH 1 +10 trim pad +10 trim CH 1 phantom invert logic phantom invert logic CH 2 levellevellevellevellevellevellevellevel pad CH 2 DA28R BIAMP SYSTEMS Portland, Oregon an affiliate of Rauland-Borg Corp. INPUTSOUTPUTS 2:50 1 COMPACT DIGITAL AUDIO EIGHT ZONES OF PAGE-OVER-MUSIC ROUTING CH 1 phantom invert logic phantom invert logic CH 2 DA28R zone paging switches to

• 5 APPLICATIONS 50/60 Hz ~ 27V 12 watts class 2 wiring logic inputs logic inputs output 8 output 7 output 6 output 5 output 4 output 3 output 2 output 1 CH 1 +10 trim pad +10 trim CH 1 phantom invert logic phantom invert logic CH 2 levellevellevellevellevellevellevellevel pad CH 2 DA28R BIAMP SYSTEMS Portland, Oregon an affiliate of Rauland-Borg Corp. INPUTSOUTPUTS TWO INDEPEN

• Biamp DA28R, 6 SPECIFICATIONS & BLOCK DIAGRAM Frequency Response (20Hz~20kHz): +0/-1dB Maximum Input: +24dBu THD+Noise (20Hz~20kHz): < 0.03% Maximum Output (balanced): +24dBu Noise Floor (20Hz~20kHz @ unity gain): < -75dBu Power Consumption: 10 Watts max. Maximum Gain (mic in to balanced out): 79dB Dimensions: Input Impedance (balanced): height 1.75 inches (44mm) mic input 4.3k ohms width 19 inches (483mm) line input 5.6k ohms depth 7.5 inches (190mm)

• Biamp DA28R, WARRANTY BIAMP SYSTEMS IS PLEASED TO EXTEND THE FOLLOWING 5-YEAR LIMITED WARRANTY TO THE ORIGINAL PURCHASER OF THE PROFESSIONAL SOUND EQUIPMENT DESCRIBED IN THIS MANUAL 1. BIAMP Systems warrants to the original purchaser of new products that the product will be free from defects in material and workmanship for a period of 5 YEARS from the date of purchase from an authorized BIAMP Systems dealer, subject to the terms and conditions set forth below. 2. If you notify BIAMP during the warranty period that a BIAMP Systems product fails to comply with the warranty, BIAMP Systems will repair or replace, at BIAMP Systems' option, the non

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