• Year
  • 1950
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 117762

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 470 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 100-250 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: MAS277 - Mullard Wireless, London see
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 20.25 x 13 x 8 inch / 514 x 330 x 203 mm
  • Notes
  • This set is the same as the MAS274 except it has a tuning eye. It is also a Mullard variant of the Philips 500A. The Philips schematic can be used.
  • Price in first year of sale
  • 22.00 GBP
  • Literature/Schematics (1)
  • Trader Index & sheet 973, & Mullard service Manuel.
  • Author
  • Model page created by Keith Staines. See "Data change" for further contributors.

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