• Country
• Czechoslovakia

• Manufacturer / Brand
• Telegrafia, akc. spol., Praha-Pardubice

• Year
• 1945/1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 70606

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH21 EF22 EF22 EBL1 EM11 AZ11

• 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) / 110-250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 22 cm = 8.7 inch

• Power out
• 2.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Liberator C420 - Telegrafia, akc. spol., Praha-

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 488 x 370 x 250 mm / 19.2 x 14.6 x 9.8 inch

• Notes
• Some radios had tube EBL21 instead of EBL1 . KW1 13,5-20m, KW2 24,5-52m.

• 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 67 models, 45 with images and 46 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telegrafia, akc. spol., Praha-Pardubice