• Country
• Czechoslovakia

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

• Year
• 1950/1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 76310

• • Brand: Supraphon

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

• Number of Tubes
• 9

• Valves / Tubes
• ECH21 EF22 EF22 EF22 EM11 EBL21 EBL1 EBL1 AZ12

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

• Tuned circuits
• 6 AM circuit(s)

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

• Details
• Record Player (perh.Changer)

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Power out
• 8 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: ZZ III 512005 - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, with any shape - general.

• Notes
• Eingebautes Kristallmikrofon. Ausgang 100 Volt/8 W; Plattenspieler 78 UpM, Kristallsystem.

• Literature/Schematics (1)
• Ceskoslovenske Rozhlasove a Televizni Prijimace I a II

• Author
• Model page created by Hinrich Grensemann † 15.5.16. See "Data change" for further contributors.

• Other Models

• Here you find 1844 models, 1165 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.