• Country
• Germany

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

• Year
• 1931/1932

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 352974

• Wave bands
• - without

• Power type and voltage
• No Power needed

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Lautsprecher MK 4T - Hegra, Hekra, Marke, Hermann

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

• Dimensions (WHD)
• 400 x 330 x 180 mm / 15.7 x 13 x 7.1 inch

• Notes

• An alle gebräuchlichen Endröhren anpassbar.

• Price in first year of sale
• 45.00 RM

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1931/32 (S. 66)

• Author
• Model page created by Andreas Dick. 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