High Definition Power Amplifier D-79

Audio Research, Plymouth

  • Year
  • 1979
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 148503

 Technical Specifications

  • Number of Tubes
  • 19
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 105-125; 210-250 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 150 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: High Definition Power Amplifier D-79 - Audio Research, Plymouth
  • Shape
  • Rack
  • Dimensions (WHD)
  • 19 x 10.5 x 17.25 inch / 483 x 267 x 438 mm
  • Notes
  • Tube stereo power amplifier. 75 watts per channel minimum RMS (both channels operating) at 16 ohms from 30Hz to 15kHz with less than 1% THD. Wideband, unweighted, more than 90dB below rated output. Line components, more than 80dB below rated output.
    Tube complement: (6)12AX7, (8) 6FQ7, (2 matched pairs) 6550, (1) 6550
  • Net weight (2.2 lb = 1 kg)
  • 41 kg / 90 lb 4.9 oz (90.308 lb)
  • Price in first year of sale
  • 3,250.00 $
  • Source of data
  • -- Original prospect or advert
  • Mentioned in
  • -- Schematic
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum