• Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 42175
    • 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
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 115 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Power out
  • 1.2 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: H-503 - General Electric Co. GE;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 241 x 158 x 147 mm / 9.5 x 6.2 x 5.8 inch
  • Notes
  • BC Band: 540 - 1600 KHz. Color = Walnut Wood.
    Power Supply: 115VAC(40-60Hz) or DC. When operating from a DC source, power plug must be inserted with proper polarity. Uses dial lamp Qty (1) Mazda No 47.
  • Net weight (2.2 lb = 1 kg)
  • 2.7 kg / 5 lb 15.2 oz (5.947 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

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The model H-503 is part of the collections of the following members.

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