• Country
• Czechoslovakia

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

• Year
• 1957/1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 73191

• • Brand: Supraphon

• Number of Tubes
• 6

• Valves / Tubes
• ECH81 ECH81 EABC80 EL84 EM80 6Z31

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

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

• Power out
• 2.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Rondo 522A-b - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 492 x 329 x 221 mm / 19.4 x 13 x 8.7 inch

• Notes
• Loudspeakers: elliptical 20x15cm, circle 10cm

• 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 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.