• Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 78819

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 128 kHz; 1 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) / 110-250 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: MAS90 - Mullard Wireless, London see
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 17.75 x 12.5 x 8.5 inch / 451 x 318 x 216 mm
  • Net weight (2.2 lb = 1 kg)
  • 18 lb 12 oz (18.75 lb) / 8.513 kg
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Generic model 90A by Philips dated 1939)

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