• Country
• Czechoslovakia

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

• Year
• 1972/1973

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 107900

• • Brand: Supraphon

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

• Number of Tubes
• 7

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

• Number of Transistors
• 16

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 38000 kHz

• 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
• 2.2 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Martino 4245U - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 722 x 500 x 395 mm / 28.4 x 19.7 x 15.6 inch

• Notes
• S/W-Gerät mit implosionsgeschützter 61-cm-Bildröhre; OIRT- und CCIR-Ton-Norm, 6 Programmspeicher.

• 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 1832 models, 1139 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.