• Country
• Germany

• Manufacturer / Brand
• Sennheiser Electronic (Labor W); Wennebostel

• Year
• 1980 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 261605

Click on the schematic thumbnail to request the schematic as a free document.

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: HD40 - Sennheiser Electronic Labor W;

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• Offenes dynamisches System.

  22 - 18.000 Hz.

  600 Ohm.

  Universalstecker PX1.

  3 m Kabel.

   

• Net weight (2.2 lb = 1 kg)
• 0.6 kg / 1 lb 5.1 oz (1.322 lb)

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

• Other Models

• Here you find 295 models, 280 with images and 135 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel