• Country
• Germany

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

• Year
• 1930–1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 226951

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 rund] - Nora, Aron, Heliowatt; Berlin

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

• Dimensions (WHD)
• 400 x 220 x 240 mm / 15.7 x 8.7 x 9.4 inch

• Notes

• Ähnlich zum früheren Modell K3WVa, widerstandsgekoppelter NF-Verstärker mit einfachem Audionzusatz.

  Es gibt verschiedene Varianten:

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

  - Skalenknopf; runde Entlüftungen; Gleichrichter R250

  - Skalenknopf; runde Entlüftungen; Gleichrichter RGN2004

  Strukturierte Isolierstoff-Frontplatte.

  Preis ohne Röhren, zusätzlich Röhrensatz: 60,25 RM

• Net weight (2.2 lb = 1 kg)
• 10.2 kg / 22 lb 7.5 oz (22.467 lb)

• Price in first year of sale
• 120.00 RM

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

• Literature/Schematics (1)
• Katalog Radio-Zentrale Prohaska 1930/31

• Author
• Model page created by Jörg Seidel. 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