• Year
  • 1937 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 41720

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Number of Transistors
  • 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: 831D - Garod Radio Corp.; Brooklyn NY
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

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