• Country
• Czechoslovakia

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

• Year
• 1974/1975

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 107901

• • Brand: Supraphon

• Number of Tubes
• 7

• Valves / Tubes
• PCF802 PL504 PCL86 PY88 PCL85 DY86 A61-120W

• Number of Transistors
• 13

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

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

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

• Power out
• 2.2 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Zenit 4256U - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel with Push Buttons.

• Notes
• S/W-TV mit 61-cm-implosionsgeschützter Bildröhre, VHF/UHF, OIRT- und CCIR-Ton-Norm, 6 Programmspeicherplätze.

• Source of data
• -- Collector info (Sammler)

• Mentioned in
• Ceskoslovenske Rozhlasove a Televizni Prijimace a Nizkofrekvencni Zesilovace

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

• Other Models

• Here you find 1842 models, 1163 with images and 668 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.