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Atlas IED AA120G Owner's Manual

Commercial mixer amplifier
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AA120G & AA240G
Owner's Manual
Commercial Mixer Amplifier
AA120G & AA240G
Commercial Mixer Amplifier
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
– 1 –
AtlasIED.com
Specifications are subject to change without notice.

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  • Page 1 AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier AA120G & AA240G Commercial Mixer Amplifier 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. Telephone: 800.876.3333 • Fax: 800.765.3435 – 1 – AtlasIED.com Specifications are subject to change without notice.

  • Page 2: Table Of Contents

    AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Table of Contents Important Safety Instructions ........................3 Introduction ............................8 Key Features ............................8 Applications ............................8 Front Panel Description ........................... 9 Rear Panel Description ...........................10 Installation ............................. 13 Rack Mounting ............................14 Input Wire and Connections ........................

  • Page 3: Important Safety Instructions

    AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Important Safety Instructions The lightning flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage “ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
  • Page 4 AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier WARNING - When The Device Is In Use • WARNING: For the terminals marked with symbol of may be of sufficient magnitude to constitute a risk of electric shock. The external wiring connected to the terminals requires installation by an instructed person or the use of ready-made leads or cords.
  • Page 5 AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Instructions importantes de sécurité Le symbole d’un éclair à l’intérieur d’un triangle équilatéral PRUDENCE est destiné à alerter l’utilisateur de la présence d’une tension dangereuse non isolée à l’intérieur du produit dont la puissance est suffisante pour présenter un risque d’électrocution.
  • Page 6 AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier AVERTISSEMENT - Lorsque l’appareil est en utilisation • AVERTISSEMENT : Pour les bornes marquées avec le symbole d’une magnitude pouvant être suffisante pour constituer un risque de choc électrique. Le câblage externe connecté aux bornes nécessite une installation par un personnel dûment formé, ou l’utilisation de câbles ou de cordons prêts à...
  • Page 7 AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier PRUDENCE - Lorsque le produit est en utilisation • Ne placez jamais d’objets lourds sur le produit, pouvant induire une chute et/ou une rupture, entraînant un accident et des dommages matériels. En outre, le produit lui-même peut tomber et provoquer un accident et des dommages matériels.

  • Page 8: Introduction

    Global Switch Mode AC Power Supply for use in any 120V to 240V country Applications The AtlasIED AA120G / AA240G are the perfect choice for distributed business paging and background music (BGM) systems, small to medium speech privacy systems, and in applications where music on hold (MOH) plus paging is required.

  • Page 9: Front Panel Description

    AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Front Panel 1. Input Signal Presence/Clip Indicators Green LED, one above each channel’s volume control, illuminates when input signal exceeds –40 dBu, and flashes brightly at threshold of audible distortion. 2. Master Level Control The Master Level control will raise or lower all the input channels together.

  • Page 10: Rear Panel Description

    AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Rear Panel 13 15 16 1. AC Power Inlet Detachable IEC accepts US or Euro style power cords. 2. Amplifier Outputs For loudspeaker connections, connect as follows or proceed to the setup section for typical wiring schemes.
  • Page 11 AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Rear Panel 5. Mic Trim This variable control allows fine tuning of the gain of Inputs 1-4. There is 20dB of variable gain available. The trim only applies when the input is set to the “Mic” position on the DIP switch 6.
  • Page 12 AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Rear Panel 9. Inputs 5 & 6 Inputs 5 & 6 consist of a pair of stereo summing, line level inputs. Connect unbalanced audio outputs here such as CD players or audio from DVD players. Input 5 has a fix Input Sensitivity of 300mV. Input 6 has a selectable sensitivity via a Dip Switch #1 on Switch B.

  • Page 13: Installation

    These terminals provide a way to send and receive balanced line level signals from the internal mix bus of a AA120G or AA240G. The “BRIDGE IN/OUT” feature is PRE Tone Controls and Low Cut Filter the Bridge In/Out feature allows you to send and receive a balanced signal.

  • Page 14: Rack Mounting

    Rack Mounting (Optional) The AA120G & AA240G features an optional 19" rack mount kit. This kit is the AAGRMK1. Note: The AAGRMK1 kit only works with AAG Series mixer amplifiers, and will not work with AA Series or AAPHD Series mixer amplifiers. The AARMK2-0 kit will not work with AAG Series mixer amplifiers.

  • Page 15: Output Wire And Connections

    AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Choose Output Wire and Connectors Amplifier Output Connections: Slip the cable lugs under the output screw terminals and tighten. Slide the supplied non-touch cover over the output connections from top to bottom to cover them. AtlasIED recommends using high-quality, two-conductor, heavy gauge speaker wire and connectors.

  • Page 16: Measuring A Speaker System's Impedance

    AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Measuring a Speaker System’s Impedance Note: It is important to only use an Audio Impedance Meter and not a conventional volt/Ω meter. A true audio frequency impedance meter is essential for reliable installation of background music and paging systems in residences, offices buildings, and public areas.

  • Page 17: Specifications

    AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier System AA120G AA240G Type Professional Mixer Amplifier Electrical AA120G AA240G Power into 4Ω or 25V/70V/100V Output 120W 240W (1kHz with 0.5% THD) Frequency Response (at 1 Watt from 4Ω Tap) 50Hz - 15kHz ±3 dB...
  • Page 18 AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Technical AA120G AA240G Signal to Noise Ratio (Ref. to Rated Power, Mic: > 55 dB Master Volume at Minimum) Line: > 55 dB Telephone: > 55 dB AUX Input 4, 5, 6: > 75 dB THD + N <...
  • Page 19 AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Notes: 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. Telephone: 800.876.3333 • Fax: 800.765.3435 – 19 – AtlasIED.com Specifications are subject to change without notice.

  • Page 20: Warranty

    AA120G & AA240G Owner’s Manual Commercial Mixer Amplifier Limited Warranty All products manufactured by AtlasIED are warranted to the original dealer/installer, industrial or commercial purchaser to be free from defects in material and workmanship and to be in compliance with our published specifications, if any. This warranty shall extend from the date of purchase for a period of three years on all AtlasIED products, including SOUNDOLIER brand, and ATLAS SOUND brand products except as follows: one year on electronics and control systems;...

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Aa240g

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