• Country
• Great Britain (UK)

• Manufacturer / Brand
• Murphy Radio Ltd.; Welwyn Garden City

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 78749

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

• Number of Tubes
• 7

• Valves / Tubes
• ACVP2 ACTH1 ACVP2 HL41DD ME41 AC4/Pen UU4

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz; 2 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) / Ø 10 inch = 25.4 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: A50 - Murphy Radio Ltd.; Welwyn

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 23 x 18 x 12 inch / 584 x 457 x 305 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.
  • External speaker socket (AC model only) and gramophone jack.

  The cabinet design by R.D. Russel is beautifully veneered in rich-figured Honduras mahogany with a control panel in dark-silvered glass.

  See modification sheet for changes to the RF amplifier for serial numbers above 148802.

• Net weight (2.2 lb = 1 kg)
• 50 lb 0 oz (50 lb) / 22.7 kg

• Price in first year of sale
• 16.00 GB £

• Source of data
• Radio! Radio!

• Mentioned in
• - - Manufacturers Literature (Murphy 1938 Pamphlet)

• Literature/Schematics (1)
• - - Manufacturers Literature (Murphy 50 Service Instruction, 077/10/38)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 366 models, 299 with images and 234 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Murphy Radio Ltd.; Welwyn Garden City