• Country
• Germany

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

• Year
• 1932–1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 7987

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

• Number of Tubes
• 3

• Valves / Tubes
• REN1821 REN1821 RENS1823d or REN1822

• Main principle
• TRF with regeneration; 2 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
• Magnetic loudspeaker (reed) of high quality (free mooving - only possible past 1931).

• Material
• Wooden case

• from Radiomuseum.org
• Model: G30L [Holzgehäuse / Freischwinger-Lautsprecher] - Nora, Aron, Heliowatt; Berlin

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 397 x 430 x 153 mm / 15.6 x 16.9 x 6 inch

• Notes
• LS:ab 1932=Frei!

• Price in first year of sale
• 112.00 RM +

• Source of data
• Katalog Radio-Zentrale Prohaska 1932/33 / Radiokatalog Band 1, Ernst Erb

• Literature/Schematics (1)
• Lange / Nowisch, "Empfängerschaltungen der Radioindustrie"

• 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