• Country
• Germany

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

• Year
• 1978 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 260062

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: HiFi Stereo Kopfhörer, Headphone HD-414-X - Sennheiser Electronic Labor W;

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• Sennheiser Dynamic HiFi-Stereo-Kopfhörer Model HD-414-X.
  offene Bauform, 20 - 20000Hz
  dyn. Wandlersysteme 2000 Ohm
   

• Net weight (2.2 lb = 1 kg)
• 0.135 kg / 0 lb 4.8 oz (0.297 lb)

• Price in first year of sale
• 82.00 DM

• Mentioned in
• -- Original prospect or advert (Völkner Katalog 1982/83 Seite 78)

• Literature/Schematics (1)
• - - Manufacturers Literature (Bedienungsanleitung datiert 6/78)

• Literature/Schematics (2)
• Stiftung Warentest Heft 3/1978

• Author
• Model page created by Franz Scharner. 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