• Country
• United States of America (USA)

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

• Year
• 1954 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 328715

• • alternative name: Heath Company

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

• Number of Tubes
• 5

• Valves / Tubes
• 6SN7GT 6SN7GT 5881 5881 5V4G

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 15 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Williamson Type Amplifier W-3M - Heathkit Brand, Heath Co.;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 5.5 x 7 x 11 inch / 140 x 178 x 279 mm

• Notes

• Mono audio amplifier consisting of an amplifier chassis and a power supply chassis.
  Pairs with Preamp WA-P2.

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 716 models, 700 with images and 506 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)