• Country
• Czechoslovakia

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

• Year
• 1978–1981

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 110326

• • 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
• 21

• 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)

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Daria 4157AB - Tesla; Praha, Bratislava etc.

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

• Dimensions (WHD)
• 385 x 290 x 270 mm / 15.2 x 11.4 x 10.6 inch

• Notes
• 31 cm portable B/W TV with OIRT VHF/UHF Tuner, 4 Preset Buttons, Cabinet colors known in white, yellow, red or blue.

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

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

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

• Other Models

• Here you find 1874 models, 1199 with images and 681 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.