• Country
• Germany

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

• Year
• 1931–1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 8068

• Number of Tubes
• 2

• Valves / Tubes
• REN1821 REN1822 or RENS1823d

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

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Direct Current supply (DC) / 110-250 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Form G20 - Nora, Aron, Heliowatt; Berlin

• Dimensions (WHD)
• 265 x 175 x 160 mm / 10.4 x 6.9 x 6.3 inch

• Notes

• [501]

  Preis ohne Röhren, zusätzlich Röhrensatz Preis: 31,- RM

  Mehrpreis RENS1823d: 5,- RM

• Price in first year of sale
• 80.00 RM +

• Source of data
• Katalog Radio-Zentrale Prohaska 1931/32 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Radio-Zentrale Prohaska 1933/34

• 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