• Country
• Germany

• Manufacturer / Brand
• Patent-Elementebau GmbH (Petaphon, Hesofon); Plettenberg i.W.

• Year
• 1930

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 326095

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Lauutsprecher Petaphon - Patent-Elementebau GmbH

• Shape
• Tablemodel, with any shape - general.

• Notes

• Wird als sechspoliges Antriebssystem beschrieben.

• Mentioned in
• Der Radiomarkt Pößneck, 1930, Nr 23

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

• Other Models

• Here you find 3 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Patent-Elementebau GmbH (Petaphon, Hesofon); Plettenberg i.W.