• Country
• United States of America (USA)

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

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 68120

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 6

• Valves / Tubes
• 6D6 6A7 6D6 75 42 80

• Main principle
• Superhet with RF-stage; ZF/IF 252 kHz

• Wave bands
• Broadcast, Short Wave(s) and Police.

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 909 Ch= 5614 - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, with any shape - general.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 6 = 1935 and before

• Other Models

• Here you find 4517 models, 4109 with images and 3652 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL