• Year
  • 1957 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 88704
    • alternative name: Heath Company

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 105-125 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 20 W (unknown quality)
  • Material
  • Metal case, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: Amplifier W4-AM - Heathkit Brand, Heath Co.;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 15.25 x 7 x 8.5 inch / 387 x 178 x 216 mm
  • Notes
  • Williamson-type circuit.
  • Net weight (2.2 lb = 1 kg)
  • 28 lb (28 lb 0 oz) / 12.712 kg
  • Price in first year of sale
  • 39.75 USD
  • Literature/Schematics (1)
  • -- Schematic (Heathkit Catalog 1958 page 9.)

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The model Amplifier is part of the collections of the following members.

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