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

Key Features

  • 500 W continuous program power capacity
  • 100° nominal coverage
  • 70 - 18000 Hz response
  • 96 dB sensitivity
  • 20.1 mm (0.79”) HF unit exit diameter

Specifications

  • Nominal Diameter210 mm (8.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance LF6.0 Ω
  • Minimum Impedance HF7.0 Ω
  • Frequency Range69 - 18000 Hz
  • Dispersion Angle1100 °
  • Magnet MaterialCeramic

Specifications LF Unit

  • LF Sensitivity296.0 dB
  • LF Nominal Power Handling3250 W
  • LF Continuous Power Handling4500 W
  • LF Voice Coil Diameter51 mm (2.0 in)
  • LF Winding MaterialAluminium
  • LF Flux Density1.0 T
  • Former MaterialGlass Fibre
  • Winding Depth17.5 mm (0.69 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)

Specifications HF Unit

  • HF Sensitivity5104.0 dB
  • HF Nominal Power Handling650 W
  • HF Continuous Power Handling7100 W
  • HF Voice Coil Diameter44 mm (1.7 in)
  • HF Winding MaterialAluminium
  • HF Flux Density1.8 T
  • Diaphragm MaterialPolyimide
  • Recommended Crossover81.8 kHz
  • Inductance0.11 mH

Parameters

  • Resonance Frequency69 Hz
  • Re4.9 Ω
  • Qes0.36
  • Qms6.3
  • Qts0.34
  • Vas16.0 dm3 (0.56 ft3)
  • Sd220.0 cm2 (34.1 in2)
  • η₀1.4 %
  • Xmax6.5 mm
  • Xvar6.0 mm
  • Mms22.0 g
  • Bl11.5 Txm
  • Le0.9 mH
  • EBP191 Hz

Mounting And Shipping Info

  • Overall Diameter225 mm (8.8 in)
  • Bolt Circle Diameter210 mm (8.3 in)
  • Baffle Cutout Diameter187 mm (7.4 in)
  • Depth118 mm (4.64 in)
  • Flange and Gasket Thickness10 mm (0.37 in)
  • Net Weight5.1 kg (11.2 lb)
  • Shipping Units1
  • Shipping Weight5.7 kg (12.57 lb)
  • Shipping Box295x314x175 mm (11.61x12.36x6.89 in)

Service Kit

  • Service Kit LFRCK008FCX518
  • Replacement diaphragmMMD4008
  • Included by –6 dB down points.
  • Applied RMS Voltage is set to 2.83V.
  • 2 hours test made with continuous pink noise signal (6 dB crest factor) within the range Fs-10Fs. Power calculated on rated minimum 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 (6 dB crest factor) within the range from the recommended crossover frequency to 20 kHz. Power calculated on rated minimum 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.