• Country
• Czechoslovakia

• Manufacturer / Brand
• Radiotechna, spol. s r. o., Praha-Prelouc

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 23277

• • alternative name: Kresl & spol, CS
  • Brand: Telefunken Praha

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

• Number of Tubes
• 3

• Valves / Tubes
• AF7 AL4 AZ1

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

• Tuned circuits
• 1 AM circuit(s)

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

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Virtuos - Radiotechna, spol. s r. o.,

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 337 x 400 x 223 mm / 13.3 x 15.7 x 8.8 inch

• Net weight (2.2 lb = 1 kg)
• 9 kg / 19 lb 13.2 oz (19.824 lb)

• Price in first year of sale
• 895.00 Kc

• External source of data
• Erb

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

• Other Models

• Here you find 69 models, 62 with images and 53 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radiotechna, spol. s r. o., Praha-Prelouc