• Year
  • 1961
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 341219
    • alternative name: Heath Company

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 55 W (67 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 55 Watt Amplifier AA-91 - Heathkit Brand, Heath Co.;
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 15 x 6.1 x 8.25 inch / 381 x 155 x 210 mm
  • Notes
  • Power amplifier, mono; with Damping Selector switch.

    Updated version of the Heathkit W7-A.

  • Net weight (2.2 lb = 1 kg)
  • 26 lb (26 lb 0 oz) / 11.804 kg
  • Price in first year of sale
  • 59.95 USD
  • Mentioned in
  • Heathkit Catalog, Fall & Winter 1961-62, page 52-53, "NEW...AA-91"

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