Ch= QA

Sonora Radio & Telev. Corp.; Chicago (IL)

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  • Year
  • 1939 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 58256
    • alternative name: Sonora Electric Phono

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Ch= QA - Sonora Radio & Telev. Corp.;
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Farm radio; synchr. vibrator for +B; push-pull af output stage; push-button tuner.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 11 = ca. 1940 and before

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