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12clx64rear_b12clx648front12clx64rear
Diaphragm Material
Magnet Material
LF Voice Coil Diameter
HF Voice Coil Diameter
LF Continuous Power Handling
 
 
 
 
 

Features

  • 500 W continuous program power capacity
  • 60° nominal coverage
  • 54 - 18000 Hz response
  • 96.2 dB sensitivity
  • Single Neodymium magnet assembly
  • Aluminum demodulating ring for very low distortion

Specifications

  • Nominal Diameter320 mm (12.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance LF6.6 Ω
  • Minimum Impedance HF7.8 Ω
  • Frequency Range54 - 18000 Hz
  • Dispersion Angle160 °
  • Woofer Cone TreatmentWP Waterproof Front Side
  • Magnet MaterialNeodymium Ring

Specifications LF unit

  • LF Sensitivity296.2 dB
  • LF Nominal Power Handling3250 W
  • LF Continuous Power Handling4500 W
  • LF Voice Coil Diameter64 mm (2.5 in)
  • LF Winding MaterialCopper
  • LF Flux Density0.87 T
  • Former MaterialKapton
  • Winding Depth14.5 mm (0.57 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)

Specifications HF unit

  • Sensitivity5106.0 dB
  • Nominal Power Handling670 W
  • Continuous Power Handling7140 W
  • Voice Coil Diameter51 mm (2.0 in)
  • Winding MaterialAluminum
  • Flux Density1.59 T
  • Diaphragm MaterialHT Polymer
  • Recommended Crossover81.2 kHz
  • Inductance0.14 mH

Parameters

  • Resonance Frequency54 Hz
  • Re5.6 Ω
  • Qes0.61
  • Qms10.1
  • Qts0.57
  • Vas74.0 dm3 (2.61 ft3)
  • Sd522.0 cm2 (80.91 in2)
  • η₀1.82 %
  • Xmax5.3 mm
  • Xvar5.5 mm
  • Mms45.3 g
  • Bl11.86 Txm
  • Le0.54 mH
  • EBP88 Hz

Mounting and Shipping Info

  • Overall Diameter313 mm (12.32 in)
  • Bolt Circle Diameter298 mm (11.73 in)
  • Baffle Cutout Diameter282 mm (11.1 in)
  • Depth164 mm (6.46 in)
  • Flange and Gasket Thickness9 mm (0.35 in)
  • Net Weight3.3 kg (7.28 lb)
  • Shipping Units1
  • Shipping Weight4.6 kg (10.14 lb)
  • Shipping Box425x425x224 mm (16.73x16.73x8.82 in)

Service Kit

  • Service Kit LFRCK12CLX648
  • Replacement diaphragmMMD5508
  • 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 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 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.
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