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De_550
Nominal Power Handling
Voice Coil Diameter
Diaphragm Material
Throat Diameter
 
 
 

Specifications1

  • Throat Diameter25 mm (1.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance8.4 Ω
  • Nominal Power Handling270 W
  • Continuous Power Handling3140 W
  • Sensitivity4108.0 dB
  • Frequency Range1 - 17 kHz
  • Recommended Crossover51.2 kHz
  • Voice Coil Diameter51 mm (2.0 in)
  • Winding MaterialAluminium
  • Inductance0.12 mH
  • Diaphragm MaterialTitanium
  • Flux Density2.0 T
  • Magnet MaterialNeodymium Ring

Mounting And Shipping Info

  • Two M6 holes 180° on 76 mm (3 in) diameter
  • Overall Diameter92 mm (3.62 in)
  • Depth49 mm (1.93 in)
  • Net Weight1.25 kg (2.76 lb)
  • Shipping Weight1.7 kg (3.75 lb)

Replacement Diaphragm

  • MMD550TN8
  • Driver mounted on B&C ME45 horn
  • 2 hour test made with continuous pink noise signal (6 dB crest factor) within the range from the recommended crossover frequency to 20 kHz. Power calculated on rated minimum impedance.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
  • 12 dB/oct. or higher slope high-pass filter.