• Country
• Germany

• Manufacturer / Brand
• Nora, Aron, Heliowatt; Berlin

• Year
• 1929–1933

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 8093

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

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Universal Sperrkreis Ub - Nora, Aron, Heliowatt; Berlin

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Vielseitige Schaltungsmöglichkeiten, 200-600 m [560]; Durchmesser ca.95mm und ca.90mm hoch. Anuncio "Filtro eliminador de ondas para eliminar la emisora local y aumentar la selectividad de los receptores" Precio en España: 40 pts
  200-2000 m = Modell Uc.

• Net weight (2.2 lb = 1 kg)
• 0.3 kg / 0 lb 10.6 oz (0.661 lb)

• Price in first year of sale
• 10.00 RM

• Source of data
• Katalog Radio-Zentrale Prohaska 1930/31 (dick) / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1932/33

• Other Models

• Here you find 634 models, 557 with images and 342 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nora, Aron, Heliowatt; Berlin