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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 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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