• Country
• United States of America (USA)

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

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 67373

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 15

• Valves / Tubes
• 6K7G 6L7G 6K7G 6J5G 6T5 6H6G 6J5G 6J5G 6J5G 6V6G 6V6G 6V6G 6V6G 5Y4G 5Y4G

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm

• Power out
• 30 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 15U273 Louis XV 15-U-273 Ch=1501 - Zenith Radio Corp.; Chicago,

• Shape
• Console, Lowboy (legs < 50 %).

• Dimensions (WHD)
• 32.5 x 45.9 x 17 inch / 826 x 1166 x 432 mm

• 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 8 = 1937 and before

• Mentioned in
• Zenith Radio The Glory Years 1936-1945

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

• Other Models

• Here you find 4505 models, 4101 with images and 3631 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL