• Country
• Switzerland

• Manufacturer / Brand
• Biennophone; (Marke)

• Year
• 1943/1944

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 11617

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

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH21 EF22 EF22 UBL21 UY21

• 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
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 16 cm = 6.3 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 431 - Biennophone; Marke

• Dimensions (WHD)
• 385 x 235 x 190 mm / 15.2 x 9.3 x 7.5 inch

• Notes
• Prop.Skala;Autotrafo!

• Net weight (2.2 lb = 1 kg)
• 6 kg / 13 lb 3.5 oz (13.216 lb)

• Price in first year of sale
• 370.00 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.

• Other Models

• Here you find 512 models, 294 with images and 346 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Biennophone; (Marke)