• Country
• Germany

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

• Year
• 1952 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 162292

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - only for Earphone!

• from Radiomuseum.org
• Model: Labor W, Kleinhörer HM21 - Sennheiser Electronic Labor W;

• Notes
• Kleinhörer mit magnetischem System.

• Source of data
• -- Original prospect or advert

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

• Other Models

• Here you find 298 models, 282 with images and 137 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel