• Year
  • 1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 67407
    • 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 125 kHz; Export model
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Details
  • Record Player (perh.Changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 115; 240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 270-5 Ch= 2046 - Zenith Radio Corp.; Chicago,
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes
  • The 115 or 240VAC export model had a 2-tap input power transformer.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before

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