ADS5120D Class D Mixer Amplifier 120W with Fire Mute - ADS - Audio Design Services

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ADS5120D Class D Mixer Amplifier 120W with Fire Mute
ADS - Audio Design Services

The ADS 5120D is a 120w 100v line Class D public address amplifier packed with useful, flexible and value-for-money features. With bullet-proof reliability, it is ideal for larger group use in education (schools, colleges and universities), hotels, leisure centres, churches and other places of worship, retail outlets (shops and department stores), offices, factories and other work and meeting venues where quality speech and music reproduction are needed.


  • Efficient class D amplifier.
  • Fire Mute, amplifier mutes on switch closure from fire detection system.
  • 6 Input.
  • Versatile priority structure, input 1, 1st priority, inputs 2-5 first come first served.
  • Switchable phantom power on inputs 1-5.
  • Switchable chime on inputs 1-5.
  • Switchable VOX on input 1.
  • Inputs 1-5 have adjustable sensitivity for a wide range of source signals.
  • Speech only output, delivers signal only when a priority exists.
  • Speech and music output delivers all source signals.
  • 24Vdc 250mA output to drive external devices such as relays and LED’s.
  • Restoration, provides volume restoration with a suitable volume control on priority.
  • 240Vac or 24Vdc power options.
  • Can be desk or rack mounted.

reward points

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Questions & Answers

John: Does this amplifier have a volume restoration facility?A:

Yes, the amplifier provides a 24Vdc supply for the relay built-in to all ADS volume controls and a 0V (rest) switching facility which operates on receiving a priority input.

  • Specifications


    Output Power                      100V Line

                                                Low Impedance

    120W @ 83.3Ω

    120W @ 8Ω

    Distortion at Rated Power

    <2% THD @ 1kHz, -3dB

    Frequency Response

    70Hz – 15kHz, -3dB

    Tone Control Range                   Bass


    ±8db @ 100Hz

    ±8db @ 10kHz

    Operating Temperature Range

    -10oC to 35oC


    Sensitivity                                          Inputs 1–5

                                                         Input 6

    1mV to 200mV continuously adjustable


    S/N ratio                                             Inputs 1–5

                                                           Input 6




    Line Output

    1V @ 600Ω

    Tape Output





    Mute Level


    Operating Conditions

    Mains Power

    220 – 240Vac at 50Hz

    dc Power


    Size and Weight


    97(H) including 10mm feet
    x 430(W) x 270(D) mm


    6.7kg net; 8kg packed

  • Manuals & Datasheets