• Country
• Germany

• Manufacturer / Brand
• Dual, Gebr. Steidinger; St. Georgen/Schwarzwald

• Year
• 1974

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 193457

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
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: DK210 - Dual, Gebr. Steidinger; St.

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• Dual HiFi-Stereo-Kopfhörer Model DK 210.
  Dynamischer Stereo-Kopfhörer in HIFI Qualität, geschlossen.
  Übertragungsbereich 20-17.000Hz,
  Impedanz 400 Ohm je System,
  Empfindlichkeit 0,2mW-100 mW, 0,28-6,34 V für 100 dB
  Klirrfaktor 1% bei 1000Hz/120 dB
  Anschlusskabel 2,5 M mit 1/4 inch. Koaxialstecker.  

• Net weight (2.2 lb = 1 kg)
• 0.390 kg / 0 lb 13.7 oz (0.859 lb)

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

• Mentioned in
• -- Original-techn. papers. (Dual Programm 1974/75)

• Author
• Model page created by Felix Kreitlow. See "Data change" for further contributors.

• Other Models

• Here you find 885 models, 845 with images and 476 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dual, Gebr. Steidinger; St. Georgen/Schwarzwald