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De250%2000
Continuous Power Handling
Voice Coil Diameter
Diaphragm Material
Throat Diameter
 
 
 

Key Features

  • 120 W continuous program power capacity
  • 1' horn throat diameter
  • 44 mm (1.7 in) aluminium voice coil
  • Polyimide diaphragm
  • 1000 - 18000 Hz response
  • 108.5 dB sensitivity

Specifications1

  • Throat Diameter25 mm (1.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance7.8 Ω
  • Nominal Power Handling260 W
  • Continuous Power Handling3120 W
  • Sensitivity4108.5 dB
  • Frequency Range1.0 - 18.0 kHz
  • Recommended Crossover51.6 kHz
  • Voice Coil Diameter44 mm (1.7 in)
  • Winding MaterialAluminium
  • Inductance0.11 mH
  • Diaphragm MaterialPolyimide
  • Flux Density1.85 T
  • Magnet MaterialFerrite

Mounting And Shipping Info

  • Two M6 holes 180° on 76 mm (3 in) diameter
  • Three M6 holes 120° on 57 mm (2.2 in) diameter
  • Overall Diameter120 mm (4.7 in)
  • Depth62 mm (2.4 in)
  • Net Weight2.1 kg (4.6 lb)
  • Shipping Units4
  • Shipping Weight8.85 kg (19.51 lb)
  • Shipping Box265x135x170 mm (10.43x5.31x6.69 in)

Replacement Diaphragm

  • MMDDE2508
  • Driver mounted on B&C ME 45 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.