• Country
• United States of America (USA)

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

• Year
• 1937/1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 334533

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 9

• Valves / Tubes
• 6K7G 6L7G 6J5G 6K7G 6T5 6H6G 6F5G 6F6G 5Y4G

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz

• Wave bands
• Broadcast, Short Wave(s) and Police.

• Details
• Record Player (not changer)

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm

• Power out
• 4.5 W (max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 9S204 Ch= 5905 - Zenith Radio Corp.; Chicago,

• Shape
• Console with any shape - in general

• Dimensions (WHD)
• 23 x 43 x 18 inch / 584 x 1092 x 457 mm

• Notes

• This model is similar to model 9S204AT with the exception that the "AT" model has a 25Hz multitap transformer and most likely is an export model.

• Price in first year of sale
• 159.95 USD

• Mentioned in
• Zenith Radio The Glory Years 1936-1945

• Literature/Schematics (1)
• Rider's Perpetual, Volume 9 = 1938 and before

• Author
• Model page created by Daniel Busetti. See "Data change" for further contributors.

• Other Models

• Here you find 4501 models, 4101 with images and 3626 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL