• Country
• Germany

• Manufacturer / Brand
• Hegra, Hekra, (Marke), Hermann Grau, Berlin-Friedrichshagen - Vorkrieg

• Year
• 1928 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 132896

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Metal case

• from Radiomuseum.org
• Model: Konus-Lautsprecher Form A [vernickelt] - Hegra, Hekra, Marke, Hermann

• Notes
• Auch mit einfacher Oberfläche, siehe dort.

• Price in first year of sale
• 28.00 RM

• Source of data
• Radio-Diehr, Berlin, 1928/1929

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 117 models, 99 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hegra, Hekra, (Marke), Hermann Grau, Berlin-Friedrichshagen - Vorkrieg