• Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 171100

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 200-250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
  • Power out
  • 5 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: A74 - Murphy Radio Ltd.; Welwyn
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 21.5 x 23 x 11 inch / 546 x 584 x 279 mm
  • Notes
  • Design by R.D.Russell, Knobs by Eden Minns. Exellent quality reproduction set. Two IF-Stages, four position variable selectivity. Extra VHF 1 Band (45Mhz) for reception of television sound. This gave good audio qualitiy due to the fact, that there were no sideband restrictions at that time. Useful in London area only. Alphabetical tuning with stations grouped according to bands, where only the band in use lit up. Could be combined with press-button unit P80 or remote control unit RA80. Price when new £16, with P80 £17 15/0, with RA80 £19 10/0. Price change October 1939 £16 15/0; w.P80 £18 10/0; w.RA80 £20 5/0
  • Net weight (2.2 lb = 1 kg)
  • 48 lb 0 oz (48 lb) / 21.792 kg
  • Price in first year of sale
  • 16.00 GBP
  • Source of data
  • - - Manufacturers Literature
  • Author
  • Model page created by Sönke Gäthke. See "Data change" for further contributors.

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