• Year
  • 1953/1954
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 90388
    • 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; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / Either AC: 50-60Hz, 105-120V or DC: 105-120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Material
  • Bakelite or Plastics (type unknown)
  • from Radiomuseum.org
  • Model: 424 - General Electric Co. GE;
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Notes
  • The General Electric 424 is an AC/DC operated 5 tube BC band receiver.  The BC band frequency tuning range is 540 - 1600kHz. Has loop antenna mounted on back of cabinet.

    The 424 is part of a family of receivers that use similar schematics and cabinets with different cabinet colors:

    Model Years Manufactured Montgomery Ward Catalog Number Cabinet Color Schematic uses R11, C13
    424 1953-1954 - Mohagony Yes
    425 1953-1954 - Ivory Yes
    450 1954-1955 638 Green No
    451 1954-1955 639 Ivory No
    452 1954-1955 640 Red No

    NOTE: Models 424 and 425 have R11 and C13 installed between the AVC node and pin 1 of the T2 IF transformer. The Beitman reference does not show these components but the General Electric service data does.

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The model 424 is part of the collections of the following members.

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