• Country
• United States of America (USA)

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

• Year
• 1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 67832

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 5

• Valves / Tubes
• 12A8G 12K7G 12Q7G 35L6G 50Z7G 100-79

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast (MW), Police, sometimes also early TV (75-200m).

• Power type and voltage
• AC/DC-set / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 6P428 Ch=5661/5662/5665/5666 - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 12.5 x 8.6 x 6.9 inch / 318 x 218 x 175 mm

• Notes
• upside down chassis

• Price in first year of sale
• 30.00 $

• 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 11 = ca. 1940 and before

• Mentioned in
• Table Top Radios Vol. 1 Stein 98 (page 171.)

• 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