• Country
• Germany

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

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5487

• Number of Tubes
• 3

• Valves / Tubes
• REN804 REN804 RGN1064

• Main principle
• TRF without regeneration

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

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• from Radiomuseum.org
• Model: Protofon 230PL - Siemens & Halske, -Schuckert

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• FS-Bestückungstab. (wahrsch. m.Fehler)

• Other Models

• Here you find 2514 models, 2111 with images and 1325 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