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DE400

HF Drivers 1.0 inches

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Continuous Power Handling
Voice Coil Diameter
Diaphragm Material
Throat Diameter
Alternative/Current Model DE400TN
 
 
 

Key Features

  • 100 W continuous program power capacity
  • 1' horn throat diameter
  • 44 mm (1.7 in) aluminium voice coil
  • Polyimide diaphragm
  • 1200 - 18000 Hz response
  • 108.5 dB sensitivity
  • Compact Neodymium magnet assembly

Specifications1

  • Throat Diameter25 mm (1.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance7.7 Ω
  • Nominal Power Handling250 W
  • Continuous Power Handling3100 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 Density1.8 T
  • Magnet MaterialNeodymium Ring

Mounting And Shipping Info

  • Two M6 holes 180° on 76 mm (3 in) diameter
  • Overall Diameter85 mm (3.3 in)
  • Depth44 mm (1.7 in)
  • Net Weight0.8 kg (1.8 lb)
  • Shipping Units8
  • Shipping Weight7.05 kg (15.54 lb)
  • Shipping Box235x235x165 mm (9.25x9.25x6.50 in)

Replacement Diaphragm

  • MMD4008
  • 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.
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