• Country
• Germany

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

• Year
• 1994

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 161154

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
• Various materials

• from Radiomuseum.org
• Model: HD520 II - Sennheiser Electronic Labor W;

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• HD 520 II Stereo-Kopfhörer, 18 Hz - 22 kHz, 300 Ohm.

• Net weight (2.2 lb = 1 kg)
• 0.210 kg / 0 lb 7.4 oz (0.463 lb)

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Karlheinz Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 293 models, 278 with images and 134 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel