• Country
• Germany

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

• Year
• 1929/1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5606

• Number of Tubes
• 4

• Valves / Tubes
• REN1104 REN1004 RE134 RGN1503

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Protofon 1 P1/PL130W - Siemens & Halske, -Schuckert

• Notes

• Siehe auch Siemens Protofon 1 Elg11

• Price in first year of sale
• 250.00 RM

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• -- Original prospect or advert (Siemens Prospekt 1930 SH3930a)

• Other Models

• Here you find 2528 models, 2135 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