• Country
• Germany

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

• Year
• 1929 ??

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

• Radiomuseum.org ID
• 261678

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

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.)

• Tuned circuits
• 1 AM circuit(s)

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Universal Sperrkreis, Siebkreis, Saugkreis 35a - Nora, Aron, Heliowatt; Berlin

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 175 x 100 x 125 mm / 6.9 x 3.9 x 4.9 inch

• Notes

• Nachfolger des Universal Sperrkreises U. Siehe auch weitere Varianten von Nora.

• Net weight (2.2 lb = 1 kg)
• 0.750 kg / 1 lb 10.4 oz (1.652 lb)

• Author
• Model page created by Norbert Konersmann. See "Data change" for further contributors.

• Other Models

• Here you find 633 models, 556 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