• Country
• Germany

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

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 7904

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

• Number of Tubes
• 3

• Valves / Tubes
• KC1_p8 KC1_p8 KL1_sidecontact

• 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
• Bakelite case

• from Radiomuseum.org
• Model: B07 - Nora, Aron, Heliowatt; Berlin

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

• Dimensions (WHD)
• 520 x 280 x 270 mm / 20.5 x 11 x 10.6 inch

• Notes
• schwarz

• Net weight (2.2 lb = 1 kg)
• 7.4 kg / 16 lb 4.8 oz (16.3 lb)

• Price in first year of sale
• 126.00 RM

• Source of data
• Handbuch WDRG 1937 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Mentioned in
• -- Schematic (OTO-Schaltungen)

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• 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