• Country
• Czechoslovakia

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

• Year
• 1970 ?

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 183993

• • Brand: Supraphon

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

• Number of Transistors
• 2

• Semiconductors
• GF507 GF507

• Main principle
• RF Converter/Adapter (not voltage converter)

• Wave bands
• Wave Bands given in the notes.

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: UHF-Konvertor 4952 A-d - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 183 x 81 x 146 mm / 7.2 x 3.2 x 5.7 inch

• Notes

• UHF-Konverter 4952A-d
  Umsetzung der Kanäle 21 - 69 auf den Kanal IV, OIRT- Band. Impedanz 300 Ohm.
  VHF- Signale werden durchgeschleift.

• Net weight (2.2 lb = 1 kg)
• 0.421 kg / 0 lb 14.8 oz (0.927 lb)

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

• Other Models

• Here you find 1861 models, 1186 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.