• Country
• Czechoslovakia

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

• Year
• 1978

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 171730

• • Brand: Supraphon

• Number of Tubes
• 1

• Valves / Tubes
• A61-120W

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

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

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

• Power out
• 2.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvia 4280A - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 718 x 509 x 385 mm / 28.3 x 20 x 15.2 inch

• Notes
• Fully tranzistorized b/w, I.-V. OIRT/CCIR bands.

• Net weight (2.2 lb = 1 kg)
• 29 kg / 63 lb 14 oz (63.877 lb)

• Price in first year of sale
• 5,250.00 Kčs

• 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.