• Year
  • 1949–1951
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 11715
    • 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
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 470 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-250 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet. / Ø 23 cm = 9.1 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 4912 - Biennophone; Marke
  • Dimensions (WHD)
  • 460 x 288 x 224 mm / 18.1 x 11.3 x 8.8 inch
  • Price in first year of sale
  • 465.00 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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The model is part of the collections of the following members.

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