• Country
• Germany

• Manufacturer / Brand
• Akma, Apparate und Kleinmaschinenbau; Berlin

• Year
• 1927 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 279689

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Various materials

• from Radiomuseum.org
• Model: Kopfhörer 2 x 4000 Ohm - Akma, Apparate und

• Author
• Model page created by Timo Rantasaari. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Akma, Apparate und Kleinmaschinenbau; Berlin