• Year
  • 1942/1943
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 11594
    • alternative name: Sport AG Biel || Velectra AG

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 470 kHz
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • AC/DC-set
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: 422 - Biennophone; Marke
  • Dimensions (WHD)
  • 385 x 235 x 189 mm / 15.2 x 9.3 x 7.4 inch
  • Notes
  • Siehe auch 422U.
  • Price in first year of sale
  • 315.00 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.

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