• Country
• Germany

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

• Year
• 1930–1933

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 8029

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• from Radiomuseum.org
• Model: Lautsprecher L23 - Nora, Aron, Heliowatt; Berlin

• Notes
• 18 Watt Sprechleistung

• Price in first year of sale
• 60.00 RM

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

• 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