• Country
• Czechoslovakia

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

• Year
• 1946 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 137665

• • 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
• AF7 AC2 EL12 EL12 EL12 EL12 unknown_Tube

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: S70W - Radiotechna, spol. s r. o.,

• Shape
• Chassis only or for «building in»

• Notes
• Eingang 85 mV, Ausgänge: 50 Ω und 200 Ω; Aussteuerungsanzeige.
  Gleichrichterröhre RGQZ.... unbekannt.

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Wolfgang Lill. See "Data change" for further contributors.

• 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