• Country
• United States of America (USA)

• Manufacturer / Brand
• Zenith Radio Corp.; Chicago, IL

• Year
• 1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 74359

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 9

• Valves / Tubes
• 24 24 24 27 27 27 45 45 80

• Main principle
• TRF without regeneration; Screengrid 1926-1935

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

• from Radiomuseum.org
• Model: 50 - Zenith Radio Corp.; Chicago,

• Notes
• Generic reference to the 50 series, mentioned in Service Manual; existence unlikely;

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Mentioned in
• Zenith Radio The Early Years 1919-1935

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 4491 models, 4096 with images and 3601 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL