RJM ADA-101R Installation And Operation Manual

Remote gain audio distribution amplifier

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ADA-101R
Remote Gain Audio
Distribution Amplifier
RJM & Associates, LLC
175 Joerschke Drive, Suite A
Grass Valley, CA 95945
Phone: 530-205-3437 Fax: 530-273-8482
info@rjmandassociates
www.rjmandassociates.com

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Summary of Contents for RJM ADA-101R

  • Page 1 ADA-101R Remote Gain Audio Distribution Amplifier RJM & Associates, LLC 175 Joerschke Drive, Suite A Grass Valley, CA 95945 Phone: 530-205-3437 Fax: 530-273-8482 info@rjmandassociates www.rjmandassociates.com...
  • Page 2 Statement of Warranty Statement of Warranty RJM & Associates, LLC warrants its products for a period of three (3) years from the date of shipment to be free from defects in materials and workmanship and meets applicable published specifications. Equipment which has been operated...
  • Page 3: Table Of Contents

    Table of Contents Table of Contents Table of Contents Table of Contents Section I Section I Section I Section I General Description ....................1 Section II Section II Section II Section II Specifications ......................2 Section III Section III Section III Section III Installation .......................
  • Page 4: Section I

    The ADA-101/R is a modular, high performance audio distribution amplifier intended for studio quality audio distribution systems. It is designed to be operated from the RJM AMF-100 mounting frame, or it is pin-compatible with the Leitch* FR-883/884 audio mounting frames.
  • Page 5: Specifications

    SECTION II SECTION II SECTION II SECTION II ADA- - - - 101/R 101/R 101/R 101/R Specifications Specifications Specifications Specifications Input: Input: Input: Input: Number 2, Channel A and Channel B, (Channel A used for mono) Impedance >30KΩ balanced, >12KΩ unbalanced Maximum level +30dBu (66Ω), +24dBm (600Ω) Common Mode Rejection (CMRR) >90dB @60Hz, >60dB @ 20KHz...
  • Page 6: Installation

    H2 to either MONO or STEREO mode. Also the switch S1 must be set for either local or remote gain control. The frame input and output connections are similar for both the RJM and the Leitch* frames. They consist of three-pin terminal blocks as defined below:...
  • Page 7 The ADA-101/R is capable of remote gain control operation. Placing the toggle switch on the module in the REMOTE position will allow adjustment of the amplifier gain from a external linear 10K potentiometer. The connection of the pot is accomplished by utilizing the lowest most output connector for channel B on the particular input/output group on the AMF-100 mounting frame.
  • Page 8: Circuit Description

    SECTION IV SECTION IV SECTION IV SECTION IV ADA- - - - 101/R 101/R 101/R 101/R Circuit Description Circuit Description Circuit Description Circuit Description The ADA-101/R consists of two identical input circuits and two identical groups of three output circuits. A jumper (H1) permits the two output channels to be both connected to one input channel for use as a one input, six output monaural amplifier or as a two channel, three output per channel stereo amplifier.
  • Page 9: Diagrams

    SECTION V SECTION V SECTION V SECTION V ADA- - - - 101/R 101/R 101/R 101/R Diagrams Diagrams Diagrams Diagrams ADA-101/R PIN ASSIGNMENTS ADA-101/R AUDIO DISTRIBUTION AMPLIFIER PS-102 AUDIO POWER SUPPLY...
  • Page 10: Module Schematics

    PIN ASSIGNMENTS PIN ASSIGNMENTS PIN ASSIGNMENTS PIN ASSIGNMENTS ADA- - - - 101/R 101/R 101/R 101/R Audio Audio Distribution Amplifier Audio Audio Distribution Amplifier Distribution Amplifier Distribution Amplifier INPUT A -…..A 1..INPUT A+ OUTPUT 1 -…..B 2…..OUTPUT 1+ OUTPUT 2 -…..C 3..OUTPUT 2+ OUTPUT 3 -…..D 4..OUTPUT 3+...

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