• Country
• Germany

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

• Year
• 1924/1925

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 5615

• Main principle
• Audio-Amplification

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Rfv9 - Siemens & Halske, -Schuckert

• Notes
• Leistungsverstärker f.30 LS!

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Other Models

• Here you find 2521 models, 2118 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