Dual DK 720

Data[edit]

General

  • Manufacturer: Dual
  • Model: DK 720
  • Type: Headphones
  • Years of manufacture: 1977 - 1980
  • Made in: Germany
  • Weight: 300 g
  • Original price approx.: 168 DM


Technical data

  • Principle: Orthodynamic
  • Coupling to the ear:
  • Rated impedance: 110 ohms
  • Nominal power handling: 2 Watt
  • Contact pressure: approx. 3 N
  • Frequency range: 16 - 20,000 Hz
  • Distortion factor: < 1%
  • Sound pressure level: 91 dB
  • Plug: jack 6.3 mm
  • Cable length: 3 meters with volume control L-R.


Remarks[edit]


Pictures[edit]

  • Extract from brochure: Dual DK-130, DK-220, DK-720

Dual DK-130-220-720-Prospekt-1.jpg


Reports[edit]

Links[edit]