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Installation &
Operation Guide
ADS120DF
Mixer Amplifier
PLEASE NOTE: THIS MANUAL AND THE NOTES CONTAINED HEREIN ARE
COPYRIGHT AND MAY NOT BE REPRODUCED EITHER WHOLLY OR IN PART, IN ANY
WAY WHATSOEVER, WITHOUT WRITTEN CONSENT OF Audio Design Services Ltd.
Audio Design Services Ltd, St David's House, Adcroft St, Higher Hillgate, Stockport, Cheshire SK1 3HW,UK.
www.ads-worldwide.net
TEL: +44 (0)161 666 6363
FAX: +44 (0)161 666 6366. WEB:
© 2018

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Summary of Contents for ADS ADS120DF

  • Page 1 Installation & Operation Guide ADS120DF Mixer Amplifier PLEASE NOTE: THIS MANUAL AND THE NOTES CONTAINED HEREIN ARE COPYRIGHT AND MAY NOT BE REPRODUCED EITHER WHOLLY OR IN PART, IN ANY WAY WHATSOEVER, WITHOUT WRITTEN CONSENT OF Audio Design Services Ltd.
  • Page 2 Public Address System Digital Mixer Amplifier Product Compliance to EC directives for Standard Products All standard products conform to the relevant directives, regulations and standards for electronic and associated apparatus. The equipment is CE marked both on the apparatus and the packaging. Our products meet the appropriate British and International standards.
  • Page 3: Product Description

    Public Address System Digital Mixer Amplifier 1. Product Description 1.1 Introduction ADS120DF is a small digital mixer amplifier, which is cost-effective. It is applicable to small broadcast system, small supermarket for background music and classroom for public address. 1.2 Features ...
  • Page 4: Appearance Description

    Public Address System Digital Mixer Amplifier 2. Appearance Description 2.1 Front Panel 1. MIC1 Emergency MIC IN MIC1 has the priority, not affected by FIRE MUTE. 2. MIC1 VOL. Adjust the volume of MIC1, clockwise for VOL+, counterclockwise for VOL-. 3.
  • Page 5: Rear Panel

    Public Address System Digital Mixer Amplifier 2.2 Rear panel Power Input Jack ~220V-240V/50-60Hz power supply. Speaker Output 70V/100V Constant Voltage Output Terminal Connect 100V line to 100V and Com. 70V line to 70V and Com. AUX OUT AUX1 IN AUX2 IN Audio Source Selection (AUX2-MIC2) AUX2 and MIC2, select AUX2 or MIC2 by left or right slide.
  • Page 6: General Installation

    Public Address System Digital Mixer Amplifier General Installation  ALWAYS ensure that the equipment is properly earthed (grounded). Operating without an earth is dangerous and may cause high levels of audible hum from the speaker outputs.  NEVER remove the top cover of the amplifier or make an internal adjustment with the ac mains supply connected.
  • Page 7: Specification

    Public Address System Digital Mixer Amplifier Specification Model ADS120DF 120W (Note: Please use a constant-voltage speaker within Rated Output Power the power range) Rated Output Voltage 100V Sensitivity MIC1 IN 0.005(±1mV) MIC2 IN 0.006(±1mV) LINE1 IN,LINE2 IN, 0.3(±20mV)VRMS PRIORITY IN...
  • Page 8: Warranty Conditions

    Public Address System Digital Mixer Amplifier WARRANTY CONDITIONS Audio Design Services Limited warrants that this product is free from defects in materials and workmanship for the period of one year from the date of purchase. If this product is defective, Audio Design Services Limited agrees to repair or replace it, free of charge, subject to the following: ...

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