• Country
• Germany

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

• Year
• 1929–1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 227379

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

• Number of Tubes
• 4

• Valves / Tubes
• REN1004 REN1004 RE604 RGN2004

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

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 120; 220; 240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Kraftverstärker K3WVb [Gl.= RGN2004; Entlüftung rechteckig] - Nora, Aron, Heliowatt; Berlin

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

• Dimensions (WHD)
• 430 x 240 x 220 mm / 16.9 x 9.4 x 8.7 inch

• Notes

• Kraftverstärker mit eingebautem Audion für Lang- und Mittelwelle.

  Es gibt verschiedene Varianten:

  - Fensterskala; rechteckige Entlüftung, Gleichrichter R250
  
  - Fensterskala; rechteckige Entlüftung; Gleichrichter RGN2004

  - Skalenknopf; runde Entlüftungen; Gleichrichter R250

  - Skalenknopf; runde Entlüftungen; Gleichrichter RGN2004

  Preis ohne Röhren, zusätzlich Röhrensatz Preis: 72,50 RM

• Price in first year of sale
• 210.00 RM

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Konrad Birkner † 12.08.2014. 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