Stereo Amplifier 3020B

NAD, New Acoustic Dimension; Ontario

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  • Year
  • 1984
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 310036

 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 3020B - 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 controls for Bass, Treble, Balance and Volume, push buttons for Power, input selection (Aux, Tuner, Phono, Tape),  Mono and Loudness. Power On pilot light and and 5 LED Power Meter indicators. Jack for headphones.

    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

    Similar to the NAD 3120 Stereo Amplifier which has no 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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