• Country
• Switzerland

• Manufacturer / Brand
• Biennophone; (Marke)

• Year
• 1947–1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 11694

• • alternative name: Sport AG Biel || Velectra AG

• Number of Tubes
• 8

• Valves / Tubes
• ECH21 ECH21 EF22 EF22 EM4 EBL21 EBL21 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 8087 - Biennophone; Marke

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Die Tungsram-Tabellen führen das Modell auf.

• Other Models

• Here you find 512 models, 293 with images and 346 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Biennophone; (Marke)