• Country
• Germany

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

• Year
• 1950 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 138338

• Number of Tubes
• 4

• Valves / Tubes
• EF14 EF14 EF14 AZ11

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Rfl.- Abhörverstärker V 621-21/2 - Siemens & Halske, -Schuckert

• Shape
• Chassis only or for «building in»

• Notes
• Studioverstärker.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• 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