• Country
• Germany

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

• Year
• 1941/1942

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 129845

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

• Number of Tubes
• 5

• Valves / Tubes
• Bi E2c Ec Bi Z2b

• Main principle
• ZF/IF - kHz

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-220 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Schwebungssummer Rel.sum.50a V II - Siemens & Halske, -Schuckert

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

• Dimensions (WHD)
• 470 x 340 x 270 mm / 18.5 x 13.4 x 10.6 inch

• Notes
• Frequenzbereich: 0,2-150 kHz.

• Net weight (2.2 lb = 1 kg)
• 23 kg / 50 lb 10.6 oz (50.661 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Wolfgang Arlt. See "Data change" for further contributors.

• Other Models

• Here you find 2513 models, 2110 with images and 1324 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