• Country
• United States of America (USA)

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

• Year
• 1941

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 74157

• • alternative name: Chicago Radio Lab

• Number of Tubes
• 6

• Valves / Tubes
• 7A7 7B8 7A7 7B6 7C5 6X5 or 0Z4

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / =6 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Power out
• 4.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 6MF591 Ford Ch= 6A21 - Zenith Radio Corp.; Chicago,

• Shape
• Chassis only or for «building in»

• Notes
• foot switch for automatic tuning; Roto-Selector;

• Circuit diagram reference
• Rider's Perpetual, Volume 12 = ca. 1941 and before

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

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

• Other Models

• Here you find 4496 models, 4101 with images and 3615 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL