Dublette ID = 129702 20 series

NAD, New Acoustic Dimension; Ontario

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  • Year
  • 9999/9999 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 305410

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 117; 220; 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 40 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Dublette ID = 129702 [20 series] - 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

  • This version of the NAD 3020 series amplifiers has an additional 5-stepped power meter above the volume control.

    See also the NAD Stereo Amplifier 3020 and 3020i

    Power Amplifier Section
    Continuous average power output at 8 Ohms 20-20kHz both channel driven: >20W
    Rated distortion: <0.02%
    Clipping headroom at 8 Ohms: +1.5dB
    Clipping power at 8 Ohms/4 Ohms/2 Ohms: 28W/37W/42W
    Dynamic headroom at 8 Ohms: +2.9dB
    Dynamic power at 8 Ohms/4 Ohms/2 Ohms: 39W/58W/72W
    Reactive load rating: +1.7dB
    Transient overload recovery Time: <1uSec
    Slew factor: >50
    Slew rate: 15V/uSec
    Damping factor at 50hz (ref. 8 Ohms): >55
    T.H.D. 20-20kHz from 250mV to 20W: <0.02%
    S.M.P.T.E.I.M. (60Hz + 7kHz, 4:1) from 20mV to 20W: <0.02%
    I.H.F.I.M.D. (19kHz + 20kHz) at 20W: <0.02%
    Frequency responce 20-20kHz (from Lab IN): +/- 0.5dB
    Frequency Responce Range +/- 3dB: 10-70kHz

    Preamplifier section:
    Input impedance resistance/Capacitance: 47 kOhms/47pF
    Input sensitivity (1kHz) for 1 Watt out/20W out: 0.5mV/2.5mV
    Input overload at 20Hz/1kHz/20kHz: 27mV/270mV/2V
    T.H.D (20-20kHz) and IMD at +30dB input level: <0.02%
    RIAA Responce Accuracy: +/- 0.3dB
    Signal-to-Noise Ratio A Weighted:
      with phono catridge connected ref 10mV / ref 5mV: 80dB/75dB
      with short circut input ref 10mV: 84dB

    Power supply voltage switched inside unit wiring at main transformer.

  • Net weight (2.2 lb = 1 kg)
  • 5.260 kg / 11 lb 9.4 oz (11.586 lb)
  • Author
  • Model page created by Bartosz Szwed. See "Data change" for further contributors.

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