• Country
• United States of America (USA)

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

• Year
• 1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 67975

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 7

• Valves / Tubes
• 12BA6 12AT7 12BA6 12BA6 12AU6 19T8 35B5

• Main principle
• Superhet with RF-stage; ZF/IF 455/10700 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)     9 FM circuit(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• AC/DC-set / 110 - 120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.3 inch = 13.5 cm

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 7H922 Ch= 7F02 - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, with any shape - general.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

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

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 3-50, Set 87, Folder 15)

• Literature/Schematics (2)
• Machine Age to Jet Age II (page 326.)

• Other Models

• Here you find 4504 models, 4100 with images and 3630 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL