• Country
• Germany

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

• Year
• 1990 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 132995

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 2,4 Volt

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Funk-Kopfhörer, Free Sound HDR-6 - Sennheiser Electronic Labor W;

• Dimensions (WHD)
• 150 x 80 x 200 mm / 5.9 x 3.1 x 7.9 inch

• Notes
• HDR-6, Funk-Kopfhörer. Sendeeinheit T6, AC/DC adaptor: NT 92, 12 V. Headphones battery: BA 151 ( 2,4 V)

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Sándor Selyem-Tóth. 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