• Country
• Germany

• Manufacturer / Brand
• Radiosonanz (GmbH bzw. AG), Berlin (W15)-Charlottenburg

• Year
• 1923–1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 16338

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• TRF with regeneration; 1 Special; Reflex

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: RF111 - Radiosonanz GmbH bzw. AG,

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Info Dr. H. Börner without schematic

• Mentioned in
• Historische Radios Band III (227)

• Other Models

• Here you find 41 models, 22 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radiosonanz (GmbH bzw. AG), Berlin (W15)-Charlottenburg