• Country
• Czechoslovakia

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

• Year
• 1987–1990

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 205619

• • Brand: Supraphon

• 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
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Spannungskonstanthalter ARN-400F - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, with any shape - general.

• Notes
• Automatischer Spannungsregler, maximal 400 Watt.
  Regelung mittels Triac, 2 Bereiche: 185...220 Volt und 195 ...250 Volt. LED- Anzeige,

• Price in first year of sale
• 860.00 Kcs

• Author
• Model page created by Wolfgang Lill. See "Data change" for further contributors.

• Other Models

• Here you find 1857 models, 1183 with images and 669 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.