• Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 42287
    • Brand: Musaphonic

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 455 kHz
  • Power type and voltage
  • Line / Batteries (any type) / 105-125, 1.5-90 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet. / Ø 5 inch = 12.7 cm
  • Power out
  • 1.75 W (unknown quality)
  • from Radiomuseum.org
  • Model: HB-504 - General Electric Co. GE;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 13.2 x 9.5 x 6.5 inch / 335 x 241 x 165 mm
  • Notes
  • Automatic volume control.
  • Net weight (2.2 lb = 1 kg)
  • 7.5 kg / 16 lb 8.3 oz (16.52 lb)
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 11 = ca. 1940 and before
  • Literature/Schematics (1)
  • General Electric Radio Service Notes 1939-1942

 Collections | Museums | Literature

Collections

The model HB-504 is part of the collections of the following members.

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