• Year
  • 1972–1976
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 148514

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 100 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Dual 51 - Audio Research, Plymouth
  • Shape
  • Rack
  • Dimensions (WHD)
  • 19 x 7.5 x 12.25 inch / 483 x 191 x 311 mm
  • Notes
  • Tube stereo power amplifier.
    50 Watts per channel minimum RMS into a 4, 8, or 16 ohm load from 20 Hz to 15 KHz with less than 1% total harmonic distortion.
    Tube complement: (4)12AX7, (8) 6FQ7, (2 matched pairs) 6550, (1) 6550.
    Options: Gold/champagne faceplate.
  • Net weight (2.2 lb = 1 kg)
  • 25 kg / 55 lb 1.1 oz (55.066 lb)
  • Source of data
  • -- Original prospect or advert
  • Mentioned in
  • -- Schematic
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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