• Country
• Czechoslovakia

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

• Year
• 1970 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 169831

• • Brand: Supraphon

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 120/220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: BS-554 - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 235 x 145 x 320 mm / 9.3 x 5.7 x 12.6 inch

• Notes
• 0-30V/1A power supply.

• Net weight (2.2 lb = 1 kg)
• 4.7 kg / 10 lb 5.6 oz (10.352 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 1832 models, 1138 with images and 643 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.