• Year
  • 1942/1943
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 25407
    • alternative name: Sport AG Biel || Velectra AG

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 470 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Presumably Dynamic Loudspeaker (moving coil)
  • from Radiomuseum.org
  • Model: 520 - Biennophone; Marke
  • Dimensions (WHD)
  • 460 x 360 x 220 mm / 18.1 x 14.2 x 8.7 inch
  • Notes
  • Siehe Modell 620P ohne EM4.
  • Price in first year of sale
  • 398.00 SFr
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Thali-Schemasammlung und Tungsram-Röhrenbestückung.

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