• Country
• Germany

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

• Year
• 1929–1933

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 8089

• Number of Tubes
• 1

• Valves / Tubes
• RGN1054

• Wave bands
• - without

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Dynamik L22 - Nora, Aron, Heliowatt; Berlin

• Dimensions (WHD)
• 400 x 0 x 0 mm / 15.7 x 0 x 0 inch

• Notes
• 5 Modelle! teilw. mit RGN1054+Trafo

• Price in first year of sale
• 94.00 RM

• Source of data
• Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1932/33

• Literature/Schematics (1)
• Die Sendung (Nr. 35, 1929)

• 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