• Country
• Germany

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

• Year
• 1923/1924

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 16332

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• TRF without regeneration

• Wave bands
• Broadcast (MW) and Long Wave.

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: 3-Rö-Export - Radiosonanz GmbH bzw. AG,

• Notes
• Export

• 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

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• 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