• Country
• Czechoslovakia

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

• Year
• 1959–1961

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 75166

• • Brand: Supraphon

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

• Number of Tubes
• 9

• Valves / Tubes
• ECC85 ECH81 EBF89 EBF89 EM80 EAA91 ECC83 EL84 EZ81

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 6 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 120/220 Volt

• Loudspeaker
• 3 Loudspeakers / Ø 20 cm = 7.9 inch

• Power out
• 2.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Variace 627A - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel with Push Buttons.

• Notes
• Broadcast band is splitted to 2 subbands. Another two loudspeakers, diameter 10cm only.

• Mentioned in
• Ceskoslovenske Rozhlasove a Televizni Prijimace I a II

• Author
• Model page created by Gabriel Toth. See "Data change" for further contributors.

• Other Models

• Here you find 1845 models, 1166 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.