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

Key Features

  • 700 W continuous program power capacity
  • 80° nominal coverage
  • 47 - 18000 Hz response
  • 98 dB sensitivity
  • 50.5 mm (2”) HF unit exit diameter

Specifications

  • Nominal Diameter320 mm (12.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance LF6.3 Ω
  • Minimum Impedance HF7.8 Ω
  • Frequency Range47 - 18000 Hz
  • Dispersion Angle180 °
  • Magnet MaterialCeramic

Specifications LF Unit

  • LF Sensitivity298.0 dB
  • LF Nominal Power Handling3350 W
  • LF Continuous Power Handling4700 W
  • LF Voice Coil Diameter76 mm (3.0 in)
  • LF Winding MaterialCopper
  • LF Flux Density1.0 T
  • Former MaterialGlass Fibre
  • Winding Depth16.5 mm (0.65 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)

Specifications HF Unit

  • HF Sensitivity5106.0 dB
  • HF Nominal Power Handling680 W
  • HF Continuous Power Handling7160 W
  • HF Voice Coil Diameter75 mm (3.0 in)
  • HF Winding MaterialAluminium
  • HF Flux Density1.8 T
  • Diaphragm MaterialTitanium
  • Recommended Crossover81.2 kHz
  • Inductance0.14 mH

Parameters

  • Resonance Frequency47 Hz
  • Re5.3 Ω
  • Qes0.35
  • Qms11.0
  • Qts0.34
  • Vas82.0 dm3 (2.98 ft3)
  • Sd522.0 cm2 (80.9 in2)
  • η₀2.3 %
  • Xmax6.5 mm
  • Xvar5.0 mm
  • Mms54.0 g
  • Bl15.6 Txm
  • Le1.3 mH
  • EBP134 Hz

Mounting And Shipping Info

  • Overall Diameter315 mm (12.5 in)
  • Bolt Circle Diameter298 mm (11.7 in)
  • Baffle Cutout Diameter282 mm (11.1 in)
  • Depth169 mm (6.65 in)
  • Flange and Gasket Thickness14 mm (0.55 in)
  • Net Weight8.0 kg (17.6 lb)
  • Shipping Units1
  • Shipping Weight9.3 kg (20.5 lb)
  • Shipping Box425x425x224 mm (16.73x16.73x8.82 in)

Service Kit

  • Service Kit LFRCK12FCX768
  • Replacement diaphragmMMD3BTN8M
  • 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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