• Year
  • 1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 73249
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 5S220Y Ch= 5521 - Zenith Radio Corp.; Chicago,
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 9.5 x 10.8 x 9 inch / 241 x 274 x 229 mm
  • Notes
  • Ebony version; unusual upright cube shaped;

  • Price in first year of sale
  • 41.00 $
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

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