• Country
• Germany

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

• Year
• 1928–1933

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 72042

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

• Number of Transistors

• Semiconductors
• Tr.Gl.=Metal-rectif.

• Wave bands
• - without

• Details
• Power: Charger for A-Batteries

• Power type and voltage
• Alternating Current supply (AC) / 200-250 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Protos- Gleichrichter L1702 - Siemens & Halske, -Schuckert

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 140 x 70 x 125 mm / 5.5 x 2.8 x 4.9 inch

• Notes
• Ladegerät für 1-3 Zellen. Kupferoxydul-Trockengleichrichter.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Price in first year of sale
• 28.00 RM

• Source of data
• Unterlagen Deutsches R.Museum

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1932/33

• Literature/Schematics (1)
• Siemens Preisliste 1929

• Author
• Model page created by Hinrich Grensemann † 15.5.16. See "Data change" for further contributors.

• Other Models

• Here you find 2523 models, 2120 with images and 1333 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