• Year
  • 1940/1941
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 68024
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6.5 inch = 16.5 cm
  • Power out
  • 6.5 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7S529 Ch= 7A02 - Zenith Radio Corp.; Chicago,
  • Shape
  • Tablemodel with Push Buttons.
  • Dimensions (WHD)
  • 16 x 9.5 x 10 inch / 406 x 241 x 254 mm
  • Notes
  • Built-in loop antenna.

     

  • Net weight (2.2 lb = 1 kg)
  • 8.1 kg / 17 lb 13.5 oz (17.841 lb)
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 12 = ca. 1941 and before

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