• Country
• Germany

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

• Year
• 1929

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 113615

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

• Number of Tubes
• 4

• Valves / Tubes
• REN1004 REN1004 RE604 R250_Rectron

• Main principle
• Audio-Amplification; 3 AF stage(s)

• Wave bands
• - without

• 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: K3WVa - Nora, Aron, Heliowatt; Berlin

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

• Dimensions (WHD)
• 395 x 220 x 240 mm / 15.6 x 8.7 x 9.4 inch

• Notes

• Strukturierte Hartgummifront

• Net weight (2.2 lb = 1 kg)
• 8.5 kg / 18 lb 11.6 oz (18.722 lb)

• Author
• Model page created by Jörg Seidel. See "Data change" for further contributors.

• Other Models

• Here you find 633 models, 555 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