• Country
• Czechoslovakia

• Manufacturer / Brand
• Sigma-Radio, Ing. B. Szathmary; Prag

• Year
• 1941/1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 23255

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

• Number of Tubes
• 3

• Valves / Tubes
• EF12 EL11 AZ11

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 120-240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Bohemia - Sigma-Radio, Ing. B. Szathmary

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 460 x 260 x 175 mm / 18.1 x 10.2 x 6.9 inch

• Price in first year of sale
• 1,535.00 CSK

• External source of data
• Erb

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

• Other Models

• Here you find 49 models, 26 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sigma-Radio, Ing. B. Szathmary; Prag