• Year
  • 1959 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 143525

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110 - 120 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 60 W (100 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: SPA-55 SPA-55 - Arkay International Inc.;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 15.25 x 6 x 8 inch / 387 x 152 x 203 mm
  • Notes
  • AC operated stereo amplifier. Sams photofact set 478 folder 7 date 3-60 features the Arkay models SPA-35 and SPA-55 as the same schematic.

    Price:

    Kit - $64.95 (USA)

    Built - $79.95 (USA)

    The SPA-55 is a stereo binaural monaural bi channel amplifier consisting of 2 identical 30 watt amplifier channels.

  • Net weight (2.2 lb = 1 kg)
  • 26 lb (26 lb 0 oz) / 11.804 kg
  • Price in first year of sale
  • 79.95 USA
  • Source of data
  • - - Manufacturers Literature
  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

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