• Country
• Austria

• Manufacturer / Brand
• Sigma; Wien

• Year
• 1928 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71850

• Number of Tubes
• 3

• Valves / Tubes
• A415 A415 B443

• from Radiomuseum.org
• Model: 3-R-Sigmaphon - Sigma; Wien

• External source of data
• Philips Radiorevue Oktober 1928 Nr.2

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Gerhard Heigl. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sigma; Wien