• Year
  • 1946–1948
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 67308
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 11
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz
  • Wave bands
  • Broadcast, Short Wave plus FM or UHF.
  • Details
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 12H091Z Ch=11C21Z - Zenith Radio Corp.; Chicago,
  • Shape
  • Console: Chairside Radio.
  • Notes
  • Caution: since this model 12H091Z is a modified version of model 12H091, the basic schematic for the
    12H091 (Riders 15-87,88 or 15-91,92) has to be considered together with its amendment for 12H091Z (Riders 18 , changes18-13)
  • Price in first year of sale
  • 430.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 15 = 1947 and before

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