• Year
  • 1935
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 41595

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, Long Wave and Short Wave.
  • Power type and voltage
  • AC/DC-set / 105-125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: 31LW - Garod Radio Corp.; Brooklyn NY
  • Notes
  • The model 31LW can only be from 1935 or 1936 because the tube 6K7 was released in 1935 (eraliest date) - and Rider's vol. 7 was copyrighted 1936.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 7 = 1936 and before

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