• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1958 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 202049

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

• Number of Tubes
• 4

• Valves / Tubes
• EF86 ECC81 EL95 EL95 EM84

• Number of Transistors

• Semiconductors
• B250C100

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Various materials

• from Radiomuseum.org
• Model: Protos BG12 - Siemens & Halske, -Schuckert

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 350 x 180 x 320 mm / 13.8 x 7.1 x 12.6 inch

• Notes
• Siemens Tonbandgerät Protos BG12, Paralellgerät mit Grundig TK20.

• Net weight (2.2 lb = 1 kg)
• 9.5 kg / 20 lb 14.8 oz (20.925 lb)

• Price in first year of sale
• 382.00 DM

• Source of data
• -- Schematic

• Mentioned in
• Funkschau (59-5, S. 113/114)

• Literature/Schematics (1)
• -- Original prospect or advert (Siemens Prospekt, undatiert)

• Author
• Model page created by Josef Pilz. See "Data change" for further contributors.

• Other Models

• Here you find 2559 models, 2174 with images and 1355 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München