• Country
• Germany

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

• Year
• 1928 ?

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 126680

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles).

• Material
• Various materials

• from Radiomuseum.org
• Model: Kabinett-Lautsprecher Anleitung zum Selbstbau - Hegra, Hekra, Marke, Hermann

• Notes
• Anleitung zum Selbstbau eines Kabinett-Lautsprechers mit dem 4-poligen Antriebssystem "HEGRA".

• Source of data
• -- Original-techn. papers.

• Mentioned in
• Katalog Radio-Diehr 1928/29

• Author
• Model page created by Wolfgang Eckardt. See "Data change" for further contributors.

• Other Models

• Here you find 119 models, 109 with images and 5 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