• Country
• Czechoslovakia

• Manufacturer / Brand
• Tesla; Praha, Bratislava etc.

• Year
• 1985 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 169918

• • Brand: Supraphon

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: School Power Supply BK-127 - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 175 x 90 x 190 mm / 6.9 x 3.5 x 7.5 inch

• Notes
• Output: 0 - 20 V, 1 A.

• Net weight (2.2 lb = 1 kg)
• 3 kg / 6 lb 9.7 oz (6.608 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Gabriel Toth. See "Data change" for further contributors.

• Other Models

• Here you find 1874 models, 1197 with images and 680 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.