• Year
  • 1941
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 67128
    • 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 and Short Wave (SW).
  • Details
  • Changer (Record changer)
  • 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
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7S584 Ch=7A04 - Zenith Radio Corp.; Chicago,
  • Shape
  • Console with Push Buttons.
  • Dimensions (WHD)
  • 30.5 x 34 x 17 inch / 775 x 864 x 432 mm
  • Notes
  • Radio uses record player model 169-42.

  • Price in first year of sale
  • 140.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 12 = ca. 1941 and before

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