• Country
• Germany

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

• Year
• 1927/1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5851

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• RE064 RE144 RE064 or RE144 RE154 or RE504

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

• Tuned circuits
• 2 AM circuit(s)

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

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: EJ444 - Seibt, Dr. Georg Nachf.;

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 410 x 265 x 200 mm / 16.1 x 10.4 x 7.9 inch

• Notes
• 200-2000 m [512]. Röhren laut FS-Bestückungstabelle (RE074n RE084 RE084 RE134) sind modernere Ersatzbestückung.

• Net weight (2.2 lb = 1 kg)
• 5 kg / 11 lb 0.2 oz (11.013 lb)

• Price in first year of sale
• 188.00 RM

• Source of data
• Katalog Radio-Zentrale Prohaska 1928 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Kat. Radio-WEB 1928

• 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