• Country
• Germany

• Manufacturer / Brand
• Koch & Sterzel AG; Dresden

• Year
• 1930/1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15452

• Number of Tubes
• 4

• Valves / Tubes
• RENS1204 RE134 RGN504 unknown_Tube

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

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

• from Radiomuseum.org
• Model: Pleotron 31W - Koch & Sterzel AG; Dresden

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Other Models

• Here you find 75 models, 49 with images and 25 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Koch & Sterzel AG; Dresden