• Country
• Germany

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

• Year
• 1926/1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 3817

• Number of Tubes
• 3

• Valves / Tubes

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

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Experimental-Empfänger R3 - Nora, Aron, Heliowatt; Berlin

• Notes
• Reflex, eckig

• Net weight (2.2 lb = 1 kg)
• 3.2 kg / 7 lb 0.8 oz (7.048 lb)

• Price in first year of sale
• 140.00 RM +

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Funkgeschichte der GFGF (9072)

• 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