• Country
• Germany

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

• Year
• 1927/1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5850

• Number of Tubes
• 4

• Valves / Tubes
• RE074n RE084 RE084 RE134

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 Special; 2 AF stage(s); Neutrodyne

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 120+4 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Neutrodyne EI432 - Seibt, Dr. Georg Nachf.;

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 450 x 310 x 210 mm / 17.7 x 12.2 x 8.3 inch

• Notes
• auch RE79/89; 200-4000m d.Umschalter

• Price in first year of sale
• 360.00 RM +

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

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Kat. Radio Schnorr 1927/28

• Picture reference
• Eine Abbildung findet sich im Doppelband "Radios von gestern"

• Other Models

• Here you find 416 models, 356 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