• Year
  • 1938/1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 174942

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 470 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: 640-A - Northern Electric Co. Ltd.;
  • Notes
  • Push-button tuning.
  • Circuit diagram reference
  • Radio College of Canada
  • Literature/Schematics (1)
  • Northern Electric Pages 57, 60

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The model 640-A is part of the collections of the following members.

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