A50C

Murphy Radio Ltd.; Welwyn Garden City

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  • Year
  • 1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 336708

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 465 kHz; 3 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 100-125 / 200-250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: A50C - Murphy Radio Ltd.; Welwyn
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 29 x 27.25 x 13.5 inch / 737 x 692 x 343 mm
  • Notes

  • 7-valve, All-Wave Supersonic Heterodyne receiver, combing extremely lively performance with outstanding quality of reproduction.

    Features include.

    • Improved A.B.C. tuning scale with over 50 medium and longwave station names in alphabetical order, as well as names for countries for shortwave reception.
    • Cathode ray indicator for easy and accurate tuning.
    • 4-position variable selectivity control.
    • Automatic volume control.
    • Inter-station noise suppression.

    The gramophone jack (AC model only) is controlled by a switch so that the pickup leads can be left permanently connected if desired.

    The cabinet design by Eden Minns is of unusually distinctive design in walnut and rose Zebrano, and its height is correct for armchair operation if desired, the top being slightly tilted.

    See modification sheet for changes to the RF amplifier for serial numbers above 161069.

    Chassis is also used in table version A50.

     

     

     

  • Net weight (2.2 lb = 1 kg)
  • 72 lb (72 lb 0 oz) / 32.688 kg
  • Price in first year of sale
  • 21.00 GB £
  • Mentioned in
  • - - Manufacturers Literature (Murphy 1938 Pamphlet)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Murphy 50 Service Instruction, 077/10/38)
  • Author
  • Model page created by Gary Cowans. See "Data change" for further contributors.

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