• Year
  • 1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 78148

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Direct Current supply (DC)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: D4 - Murphy Radio Ltd.; Welwyn
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 15 x 17.5 x 10 inch / 381 x 445 x 254 mm
  • Notes
  • 4-valve, DC-powered superhet with gramophone jack and extra loudspeaker sockets.
    Tuned band-pass filter input.

    The cabinet is finished in Rosewood and Walnut.

    Also available in AC version, Model A4, and battery version Model B5.

  • Price in first year of sale
  • 14.50 AUS $
  • Mentioned in
  • - - Manufacturers Literature (1933 Sales Brochure)
  • Literature/Schematics (1)
  • -- Schematic

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