• Country
• Germany

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

• Year
• 1929/1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5589

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 6

• Valves / Tubes
• REN904 REN904 REN904 REN904 RE604 RGN1054

• Main principle
• TRF with regeneration; 2 Special; 2 AF stage(s); something special ? Please give information (notes)

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• - This model requires external speaker(s).

• from Radiomuseum.org
• Model: Rfe31 - Siemens & Halske, -Schuckert

• Notes

• Neutrodyne-Schaltung in Stufe 1 und 2

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Other Models

• Here you find 2523 models, 2120 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