• Year
  • 1940/1941
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 42364
    • Brand: Musaphonic

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 455 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 115 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet. / Ø 5 inch = 12.7 cm
  • Power out
  • 1.5 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: J-644 - General Electric Co. GE;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 10.5 x 7.3 x 7.38 inch / 267 x 185 x 187 mm
  • Notes
  • Mahogany plastic cabinet.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 12 = ca. 1941 and before
  • Literature/Schematics (1)
  • General Electric Radio Service Notes 1939-1942
  • Literature/Schematics (3)
  • General Electric Folder 13-497-W for 1941.

 Collections | Museums | Literature

Collections

The model J-644 is part of the collections of the following members.

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