• Country
• United States of America (USA)

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

• Year
• 1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 19029

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 7

• Valves / Tubes
• 6U7G 6K8G 6U7G 6Q7G 6AD6G 6V6G 5Y4G

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

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 7A1427 Ch=5723AT [table] - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 560 x 300 x 250 mm / 22 x 11.8 x 9.8 inch

• Notes
• export model

• Price in first year of sale
• 475.00 SFR

• External source of data
• E. Erb 3-907007-36-0

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• 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