A-Dur

• Country
• Czechoslovakia

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

• Year
• 1940/1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 23350

• Picture
• Schematics

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

• Number of Tubes
• 3

• Valves / Tubes
• ECH11 ECL11 AZ11

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Tuned circuits
• 4 AM circuit(s)

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

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

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Wooden case

• from Radiomuseum.org
• Model: A-Dur - Telegrafia, akc. spol., Praha-

• Dimensions (WHD)
• 397 x 242 x 255 mm / 15.6 x 9.5 x 10 inch

• Notes
• 4-Kreis-Audion-Super

• External source of data
• Erb

• Source of data
• Ceskoslovenske prijimace 1933-1945, Baudys 1947

• 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