• Year
  • 1953 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 81993
    • alternative name: Heath Company

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110-125 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 6 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Amplifier A-7B - Heathkit Brand, Heath Co.;
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 11.5 x 5.25 x 6.5 inch / 292 x 133 x 165 mm
  • Notes
  • Output Power 6W RMS 20Hz to 20KHz +-1,5dB Output impedances 4,8 and 15 Ohms
    A variant of this amp with phono stage is called Model A-7C.
  • Price in first year of sale
  • 15.00 $
  • Mentioned in
  • -- Original prospect or advert
  • Literature/Schematics (1)
  • -- Schematic

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