• Country
• Germany

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

• Year
• 1929/1930

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 5554

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Bakelite case

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

• Notes
• Falzmembran-LS;Form wie Arcophon 5

• Price in first year of sale
• 98.00 RM

• Source of data
• Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 1, Ernst Erb

• 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