• Year
  • 1988
  • Category
  • Television Receiver (TV) or Monitor
  • Radiomuseum.org ID
  • 171742
    • Brand: Supraphon

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • 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
  • 2 Loudspeakers
  • Power out
  • 20 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Color 428 4428A - Tesla; Praha, Bratislava etc.
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Tesla Color 428, 4428A;
    VHF/UHF bands I - V, OIRT/CCIR Secam IIIb/PAL color device, teletext, stereo 2 × 10 W audio output.
    Note: This was probably the first OIRT standard STEREO TV set!, in those days (~1991) the STV2 UHF program channel 27 from Bratislava transmitted a non-standard OIRT 2nd soundcarrier at 6.258 MHz (CCIR A2 =5,74 MHz); on STV videotext Mr. Eng. Volny at Asmolovova 28, 84545 Bratislava was named as specialist for this topic.
  • Author
  • Model page created by Gabriel Toth. See "Data change" for further contributors.

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