• Country
• Germany

• Manufacturer / Brand
• Deradio AG (später mit Zusatz: E. Schwaan & Zimmermann); Berlin

• Year
• 1924/1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 14153

• • Brand: Schwaan & Zimmermann AG, Berlin O 27

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

• Number of Tubes
• 4

• Valves / Tubes
• RE79 RE79 RE79 RE79

• Main principle
• TRF with regeneration; 1 Special; 2 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Amerika E4 [Tisch] - Deradio AG später mit Zusatz:

• Shape
• Console with any shape - in general

• Notes
• "Achteck-Tisch"

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Literature/Schematics (4)
• -- Schematic

• Other Models

• Here you find 20 models, 3 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Deradio AG (später mit Zusatz: E. Schwaan & Zimmermann); Berlin