• Year
  • 1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 58808

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; 2 AF stage(s)
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios)
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • from Radiomuseum.org
  • Model: Sparton 649-6L - Sparks-Withington Co., Sparton
  • Notes
  • Vibrator for +B.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before
  • Mentioned in
  • Rider's 10-11, 10-12, 10-13

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