Stereo Amplifier 3120

NAD, New Acoustic Dimension; Ontario

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  • Year
  • 1984
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 310037

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120 or 220 or 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 50 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Amplifier 3120 - NAD, New Acoustic Dimension;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 96 x 240 mm / 16.5 x 3.8 x 9.4 inch
  • Notes

  • A 2 x 25 watt stereo hi-fi integrated amplifier with Soft Clipping. RCA input sockets for Phono (MM or MC), Tuner and Aux, input/output RCA sockets and DIN socket for Tape, switches for MC/MM Selector, Soft Clipping (On/Off) and Speaker Impedance (8Ω/4Ω). Sockets for Pre-amp out and Normal-in fitted with removable U shaped metal jumpers, and sockets for Lab-in (an alternative to the Normal-in socket with wideband frequency response).  Binding posts for one pair of loudspeakers and two AC outlets (not all models). Rotary control Volume/Balance, push buttons for Power, input selection (Aux, Tuner, Phono, Tape), Mono and Loudness. Power On pilot light.

    Specification
    Continuous Average Power Output into 8Ω
    (Min. RMS power per channel, 20Hz - 20kHz, both channels driven
    with no more than the rated distortion) ..:  25 watts
    Rated Distortion (THD) 20Hz - 20kHz ....:  0.02%
    IHF Dynamic Headroom at 8Ω .............:  +3dB
    IHF Dynamic Power (Max. short term) ..:  50 W (8Ω), 55 W (4Ω), 70 W (2Ω)
    Frequency Response, Lab Input ...........:  10Hz - 70kHz
    Input Sensitivity ..................................:  2.7mV (MM), 180µV (MC), 180mV (line)      

    Versions/Power Requirements
    USA Canada   120 V AC 60Hz
    Europe            220 or 240 V AC 50Hz

    Same as the NAD 3020B Stereo Amplifier but without tone controls or LEDs. Same circuit design as the earlier 2 x 20 watt NAD 3020 Series 20 Stereo Amplifier.

    Made in Taiwan

  • Net weight (2.2 lb = 1 kg)
  • 5.260 kg / 11 lb 9.4 oz (11.586 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual for the NAD 3020B and 3120 Integrated Stereo Amplifiers)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Addenda to 3020A, 3020B/3120 operating instructions dated 1984)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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