• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1939 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 5330

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

• Number of Tubes
• 5

• Valves / Tubes
• AF7 or AC2 AC2 EL12/325 EL12/325 AZ12

• Conflicting model year with tube data.
• The model date contradicts tube dates. [ EL12/325 (1940)]

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 107-240 Volt

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

• Power out
• 20 W (unknown quality)

• from Radiomuseum.org
• Model: SV20.9W - Siemens & Halske, -Schuckert

• Notes
• 20-Watt-Verstärker

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Other Models

• Here you find 2522 models, 2119 with images and 1334 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München