• Country
• Germany

• Manufacturer / Brand
• HERU - International GmbH , Mülheim/Ruhr

• Year
• 1975 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 270569

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Various materials

• from Radiomuseum.org
• Model: Quadro Kopfhörer - 4-Kanal-System HP 6000 - HERU - International GmbH ,

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• Geschlossenes System. 4 Kanal-Stereo Umschalter.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 28 models, 26 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from HERU - International GmbH , Mülheim/Ruhr