• Country
• Germany

• Manufacturer / Brand
• Süd-Westdeutsche Radiobau-Anstalt (Selekta); Frankfurt a.M.

• Year
• 1924/1925

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 216356

• • Brand: Selekta

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.); none

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Sperrkreis S9 - Süd-Westdeutsche Radiobau-

• Notes
• Zylinderspule und Drehko. Gleiches Gehäuse wie Detektor SIII/10.

• Mentioned in
• Radio-Chronik

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 6 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Süd-Westdeutsche Radiobau-Anstalt (Selekta); Frankfurt a.M.