• Country
• Germany

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

• Year
• 1931–1933

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 120153

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

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / DC 250 - 280 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 20 cm = 7.9 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: L280T - Nora, Aron, Heliowatt; Berlin

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

• Dimensions (WHD)
• 405 x 360 x 160 mm / 15.9 x 14.2 x 6.3 inch

• Net weight (2.2 lb = 1 kg)
• 5.9 kg / 12 lb 15.9 oz (12.996 lb)

• Price in first year of sale
• 53.00 DM

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1931/32 (S. 71)

• Literature/Schematics (1)
• Prohaska Katalog 1932/33

• Author
• Model page created by Reiner Scholz. See "Data change" for further contributors.

• 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