• Country
• Germany

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

• Year
• 1936

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 265216

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

• Number of Tubes
• 3

• Valves / Tubes
• REN904 REN904 RGN354

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 220 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: Netzanschluß-Schwebungssummer Rel sum 28a - Siemens & Halske, -Schuckert

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 460 x 195 x 200 mm / 18.1 x 7.7 x 7.9 inch

• Notes

• Schwebungssummer 20-10000 Hz

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• Price in first year of sale
• 420.00 RM

• Mentioned in
• - - Manufacturers Literature (Prospekt von 1937)

• Author
• Model page created by Martin Steyer. 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