• Country
• Germany

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

• Year
• 9999/9999

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 7947

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

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Wave Bands given in the notes.

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

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Dublette ID = 7957 - Nora, Aron, Heliowatt; Berlin

• Source of data
• Radiokatalog Band 1, Ernst Erb

• 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