• Country
• Germany

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

• Year
• 1927–1929

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 8117

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

• Number of Tubes
• 1

• Valves / Tubes
• R22

• Wave bands
• - without

• Details
• Power: B-Battery Eliminator

• Power type and voltage
• Alternating Current supply (AC) / 110-120 oder 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Netzanode NW - Nora, Aron, Heliowatt; Berlin

• Notes

• Anodenspannung max.150V, Anodenstrom max. 40mA
  3 Anodenspannungen 50V, 100V, 150V
  1 Gitterspannung mit einschiebbarer Batterie GB9 mit 9V oder GB15 mit 15V
  Gewichts- und Preisangabe ohne Gitterbatterie

   

• Net weight (2.2 lb = 1 kg)
• 4 kg / 8 lb 13 oz (8.811 lb)

• Price in first year of sale
• 75.00 RM

• Source of data
• Radio-Diehr, Berlin, 1928/1929 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• -- Original prospect or advert

• 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