• Country
• Germany

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

• Year
• 1927 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 353619

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

• Number of Tubes
• 1

• Valves / Tubes

• Wave bands
• - without

• Details
• Power: Charger for A-Batteries

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Quecksilberdampf-Kleingleichrichter VDA 25 - Siemens & Halske, -Schuckert

• Notes

• Ausgangsstrom: 25 A
  Dreiphasen-Netzanschluss.

• Mentioned in
• Harms, Die Stromversorgung von Fernmelde-Anlagen, 1927, S.63, 64

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• 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