Amplifier W4-AM

• Country
• United States of America (USA)

• Manufacturer / Brand
• Heathkit (Brand), Heath Co.; Benton Harbor (MI)

• Year
• 1957 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 88704

• • alternative name: Heath Company

• Picture
• Schematics

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

• Number of Tubes
• 5

• Valves / Tubes
• 6SN7 6SN7 5881 5881 5V4G

• 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.)

• Author
• Model page created by Hinrich Grensemann † 15.5.16. See "Data change" for further contributors.

• Other Models

• Here you find 714 models, 698 with images and 505 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Heathkit (Brand), Heath Co.; Benton Harbor (MI)