• Country
• United States of America (USA)

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

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 67519

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 4

• Valves / Tubes
• 15 15 75 38

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Tuned circuits
• 6 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
• Magnetic loudspeaker (reed) generic. / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4V31 Ch= 5405 - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 12.7 x 15.6 x 10.1 inch / 323 x 396 x 257 mm

• Notes
• Farm Radio .
  There are modified models around (AC 240 V). See also there.

• Price in first year of sale
• 40.00 $

• 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 6 = 1935 and before

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

• Literature/Schematics (1)
• Zenith Radio The Glory Years 1936-1945

• Literature/Schematics (2)
• Table Top Radios Vol. 1 Stein 98 (page 168.)

• Literature/Schematics (3)
• Cathedral & Tombstone Radios (page 280.)

• Other Models

• Here you find 4491 models, 4096 with images and 3603 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL