• Country
• Czechoslovakia

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

• Year
• 1968/1969

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 110260

• • Brand: Supraphon

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 12

• Valves / Tubes
• EF183 EF80 EF80 PCL84 PCL85 PCL86 ECH84 PCF802 PL500 PY88 DY86 472QQ44

• Number of Transistors
• Semiconductors present.

• 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: Karolina 4123U - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, low profile (big size).

• Notes
• 47cm B/W TV, 12 channel OIRT tuner, UHF prepared.

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

• Mentioned in
• Ceskoslovenske Rozhlasove a Televizni Prijimace a Zesilovace

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 1844 models, 1165 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.