• Country
• Czechoslovakia

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

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 70273

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

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

• Number of Tubes
• 7

• Valves / Tubes
• RENS1264 REN904 RENS1264 RENS1264 REN924 RENS1374d RGN1064

• Main principle
• Superhet with RF-stage

• 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: 620 - Radiotechna, spol. s r. o.,

• Dimensions (WHD)
• 425 x 520 x 267 mm / 16.7 x 20.5 x 10.5 inch

• Notes
• Case identical to German Telefunken 650.

• Price in first year of sale
• 3,995.00 Kc

• External source of data
• Reinhard Bittner

• 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