• Country
• Germany

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

• Year
• 1926–1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 3758

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

• Number of Tubes
• 5

• Valves / Tubes
• RE79 RE79 RE79 RE79 RE89

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 Special; 2 AF stage(s); Neutrodyne

• Tuned circuits
• 3 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
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Neutrodyn E5 - Nora, Aron, Heliowatt; Berlin

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 650 x 350 x 250 mm / 25.6 x 13.8 x 9.8 inch

• Notes
• Steilpult.

• Net weight (2.2 lb = 1 kg)
• 10.2 kg / 22 lb 7.5 oz (22.467 lb)

• Price in first year of sale
• 400.00 RM +

• Source of data
• Vox-Haus, Katalog 1926/1927 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Kat. Radio Schnorr 1927/28

• Other Models

• Here you find 633 models, 555 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