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

Key Features

  • 500 W continuous program power capacity
  • 70° nominal coverage
  • 65 - 18000 Hz response
  • 95 dB sensitivity
  • 33 mm (1.3”) HF unit exit diameter

Specifications

  • Nominal Diameter250 mm (10.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance LF6.4 Ω
  • Minimum Impedance HF7.0 Ω
  • Frequency Range65 - 18000 Hz
  • Dispersion Angle170 °
  • Magnet MaterialCeramic

Specifications LF Unit

  • LF Sensitivity295.0 dB
  • LF Nominal Power Handling3250 W
  • LF Continuous Power Handling4500 W
  • LF Voice Coil Diameter64 mm (2.5 in)
  • LF Winding MaterialCopper
  • LF Flux Density0.96 T
  • Former MaterialKapton
  • Winding Depth13.0 mm (0.51 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)

Specifications HF Unit

  • HF Sensitivity5104.0 dB
  • HF Nominal Power Handling680 W
  • HF Continuous Power Handling7160 W
  • HF Voice Coil Diameter65 mm (2.5 in)
  • HF Winding MaterialAluminium
  • HF Flux Density1.6 T
  • Diaphragm MaterialTitanium
  • Recommended Crossover81.2 kHz
  • Inductance0.15 mH

Parameters

  • Resonance Frequency63 Hz
  • Re5.5 Ω
  • Qes0.44
  • Qms7.9
  • Qts0.42
  • Vas25.0 dm3 (0.89 ft3)
  • Sd320.0 cm2 (49.1 in2)
  • η₀1.4 %
  • Xmax5.5 mm
  • Xvar6.0 mm
  • Mms37.0 g
  • Bl13.4 Txm
  • Le1.2 mH
  • EBP143 Hz

Mounting And Shipping Info

  • Overall Diameter261 mm (10.3 in)
  • Bolt Circle Diameter245 mm (9.6 in)
  • Baffle Cutout Diameter230 mm (8.8 in)
  • Depth140 mm (5.51 in)
  • Flange and Gasket Thickness11 mm (0.43 in)
  • Net Weight5.65 kg (12.8 lb)
  • Shipping Units1
  • Shipping Weight6.55 kg (14.44 lb)
  • Shipping Box360x360x200 mm (14.17x14.17x7.87 in)

Service Kit

  • Service Kit LFRCK10FCX648
  • Replacement diaphragmMMD620TN8M
  • 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.