• Country
• Czechoslovakia

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

• Year
• 1975–1977

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 110252

• • Brand: Supraphon

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

• Number of Tubes
• 1

• Valves / Tubes
• A31-120W

• Number of Transistors
• 23

• 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
• Line / Storage batteries (perhaps also batteries) / 220 / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Minitesla 4156AB - Tesla; Praha, Bratislava etc.

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 330 x 270 x 320 mm / 13 x 10.6 x 12.6 inch

• Notes

• 31 cm portable B/W- TV, 3 ICs, OIRT, VHF/ UHF- tuner band I - V with 4 preset buttons.

• Net weight (2.2 lb = 1 kg)
• 7.5 kg / 16 lb 8.3 oz (16.52 lb)

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

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

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

• Other Models

• Here you find 1860 models, 1185 with images and 673 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.