• Country
• Germany

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

• Year
• 1924/1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17217

• • Brand: Selekta

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Audion S1 - Süd-Westdeutsche Radiobau-

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• [RU2401]

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Info Dr. H. Börner without schematic

• Mentioned in
• Radio-Umschau (RU, 68) (2401)

• Literature/Schematics (1)
• Radio-Chronik

• 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.