• Year
  • 1940/1941
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 12323

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; 125; 145; 200; 220; 245 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17.5 cm = 6.9 inch
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: M90A - Mediator; La Chaux-de-Fonds
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 445 x 310 x 235 mm / 17.5 x 12.2 x 9.3 inch
  • Net weight (2.2 lb = 1 kg)
  • 8.1 kg / 17 lb 13.5 oz (17.841 lb)
  • Price in first year of sale
  • 295.00 SFr
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Thali-Schemasammlung und Tungsram-Röhrenbestückung.
  • Literature/Schematics (1)
  • -- Original-techn. papers. (Generic model 90A by Philips dated 1939)

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