• Country
• Austria

• Manufacturer / Brand
• Sindag AG (Schwachstrom-Industrie-AG); Wien

• Year
• 1925–1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 10707

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

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

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Volkstype - Sindag AG Schwachstrom-

• Notes
• Audion mit Variometer

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Der Radio-Empfangs-Apparat, Band 1 (301)

• Other Models

• Here you find 6 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sindag AG (Schwachstrom-Industrie-AG); Wien