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Diaphragm Material
Magnet Material
LF Voice Coil Diameter
HF Voice Coil Diameter
LF Continuous Power Handling
 
 
 
 
 
 
 

Features

  • 800 W continuous program power capacity
  • 80° nominal coverage
  • 40 - 18000 Hz response
  • 99 dB sensitivity
  • Single Neodymium magnet assembly
  • 50.5 mm (2”) HF unit exit diameter
  • Compatible with XO-4 crossover network

Specifications

  • Nominal Diameter380 mm (15.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance LF6.0 Ω
  • Minimum Impedance HF8.0 Ω
  • Frequency Range40 - 18000 Hz
  • Dispersion Angle180 °
  • Magnet MaterialNeodymium Ring

Specifications LF unit

  • LF Sensitivity299.0 dB
  • LF Nominal Power Handling3400 W
  • LF Continuous Power Handling4800 W
  • LF Voice Coil Diameter76 mm (3.0 in)
  • LF Winding MaterialCopper
  • LF Flux Density1.15 T
  • Former MaterialGlass Fibre
  • Winding Depth16.5 mm (0.65 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)

Specifications HF unit

  • HF Sensitivity5105.0 dB
  • HF Nominal Power Handling680 W
  • HF Continuous Power Handling7160 W
  • HF Voice Coil Diameter75 mm (3.0 in)
  • HF Winding MaterialAluminium
  • HF Flux Density1.9 T
  • Diaphragm MaterialPolyester/Titanium
  • Recommended Crossover81.2 kHz
  • Inductance0.14 mH

Parameters

  • Resonance Frequency38 Hz
  • Re5.1 Ω
  • Qes0.3
  • Qms5.8
  • Qts0.28
  • Vas246.0 dm3 (8.6 ft3)
  • Sd855.0 cm2 (132.5 in2)
  • η₀3.7 %
  • Xmax4.5 mm
  • Maximum Excursion6.0 mm
  • Mms82.0 g
  • Bl17.8 Txm
  • Le0.9 mH
  • EBP126 Hz

Mounting and Shipping Info

  • Overall Diameter393 mm (15.5 in)
  • Bolt Circle Diameter374 mm (14.7 in)
  • Baffle Cutout Diameter354 mm (13.94 in)
  • Depth198 mm (7.8 in)
  • Flange and Gasket Thickness16 mm (0.62 in)
  • Net Weight5.6 kg (12.3 lb)
  • Shipping Units1
  • Shipping Weight7.2 kg (15.87 lb)
  • Shipping Box500x495x275 mm (19.69x19.49x10.83 in)

Crossover

  • ModelXO-4
  • Filter TypeTwo way
  • Nominal Impedance8.0 Ω
  • Low-pass Slope6.0 dB/oct
  • High-pass Slope12.0 dB/oct
  • Overall Dimensions142x107 mm (5.6x4.2 in)
  • Weight0.6 kg (1.3 lb)

Service Kit

  • Service Kit LFRCK15CXN768
  • Replacement diaphragmMMD9028M
  • Included by –6 dB down points.
  • Applied RMS Voltage is set to 2.83V.
  • 2 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated nominal impedance. Loudspeaker in free air.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • Applied RMS Voltage is set to 2.83V.
  • 2 hour test made with continuous pink noise signal within the range from the recommended crossover frequency to 20 kHz. Power calculated on rated nominal impedance. Loudspeaker in free air.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • 12 dB/oct. or higher slope high-pass filter.
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