• Country
• United States of America (USA)

• Manufacturer / Brand
• Electronic Workshop inc.; New York, NY

• Year
• 1951 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 172711

• Number of Tubes
• 4

• Valves / Tubes
• 12AX7 6L6GA 6L6GA 5V4G

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

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

• Power out
• 20 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: A-20 - Electronic Workshop inc.; New

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 13 x 8 x 7 inch / 330 x 203 x 178 mm

• Notes
• Power Amp, mono.

• Net weight (2.2 lb = 1 kg)
• 23 lb 0 oz (23 lb) / 10.442 kg

• Source of data
• -- Collector info (Sammler)

• Mentioned in
• Radio & Television News (March 1951)

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

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Electronic Workshop inc.; New York, NY