• Country
• United States of America (USA)

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

• Year
• 1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 68041

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 7

• Valves / Tubes
• 7H7 7B8 7A7 7B6 6AD7G 6F6G 5Y4G

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

• Wave bands
• Broadcast and Short Wave (SW).

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 14 inch = 35.6 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 7S685 Carleton Ch=7B02 - Zenith Radio Corp.; Chicago,

• Shape
• Console with Push Buttons.

• Dimensions (WHD)
• 31.8 x 39 x 17.8 inch / 808 x 991 x 452 mm

• Price in first year of sale
• 140.00 $

• 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 13 = 1942 and before

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

• Literature/Schematics (1)
• Pre-War Consoles

• 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