• Country
• Germany

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

• Year
• 1931/1932

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 279092

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles). / Ø 30 cm = 11.8 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Lautsprecher Form Z - Hegra, Hekra, Marke, Hermann

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 420 x 340 x 170 mm / 16.5 x 13.4 x 6.7 inch

• Net weight (2.2 lb = 1 kg)
• 2.2 kg / 4 lb 13.5 oz (4.846 lb)

• Price in first year of sale
• 39.00 RM

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1931/32 (S. 67)

• Author
• Model page created by Karl Reiter. 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