• Country
• Germany

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

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 7851

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

• Number of Tubes
• 3

• Valves / Tubes
• KC1_p8 KC1_p8 KL2

• 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
• Storage and/or dry batteries / 2 & 100 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (free mooving - only possible past 1931).

• Material
• Wooden case

• from Radiomuseum.org
• Model: B18 [Holzgehäuse] - Nora, Aron, Heliowatt; Berlin

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 530 x 290 x 280 mm / 20.9 x 11.4 x 11 inch

• Net weight (2.2 lb = 1 kg)
• 7.5 kg / 16 lb 8.3 oz (16.52 lb)

• Price in first year of sale
• 124.00 RM

• Source of data
• Handbuch WDRG 1938 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Fortschritte der Funktechnik und ihrer Grenzgebiete (8 Bände)

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

• Literature/Schematics (2)
• -- Schematic (OTO- Schaltungen)

• 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