• Country
• United States of America (USA)

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

• Year
• 1949 ?

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

• Radiomuseum.org ID
• 68090

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 8

• Valves / Tubes
• 7A7 7B8 6BA6 6SR7GT 7AF7 6V6GT 6V6GT 7Y4

• Main principle
• Superhet with RF-stage; ZF/IF 265 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Power out
• 6 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 8MF980 Ford Ch= 8A-18805B - Zenith Radio Corp.; Chicago,

• Shape
• Chassis only or for «building in»

• Notes
• Vibrator for +B; 6" x 9" PM elliptical speaker; Push-pull output stage.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 20 covering 1950

• Mentioned in
• Photofact Folder, Howard W. SAMS (Vol. 7, Set 61, Folder 9, Date 5/49)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set #61 Folder 9 dated 5-49)

• 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