• Country
• Germany

• Manufacturer / Brand
• Seibt, Dr. Georg (Nachf.); Berlin, auch München

• Year
• 1927/1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5856

• Number of Tubes
• 8

• Valves / Tubes

• Main principle
• Superheterodyne (common)

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

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Ultradyne - Seibt, Dr. Georg Nachf.;

• Notes
• evtl.id.mit EI802

• Price in first year of sale
• 1,200.00 RM

• Source of data
• Radio-Quelle Leipzig. Großer Katalog 1927 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Funkgeschichte der GFGF (9285)

• Other Models

• Here you find 416 models, 357 with images and 204 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Seibt, Dr. Georg (Nachf.); Berlin, auch München