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

Key Features

  • 300 W continuous program power capacity
  • 70° nominal coverage
  • 90 - 18000 Hz response
  • 92 dB sensitivity
  • Single Neodymium magnet assembly
  • 20.1 mm (0.79”) HF unit exit diameter

Specifications

  • Nominal Diameter170 mm (6.5 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance LF6.0 Ω
  • Minimum Impedance HF7.5 Ω
  • Frequency Range90 - 18000 Hz
  • Dispersion Angle170 °
  • Magnet MaterialNeodymium Ring

Specifications LF Unit

  • LF Sensitivity292.0 dB
  • LF Nominal Power Handling3150 W
  • LF Continuous Power Handling4300 W
  • LF Voice Coil Diameter51 mm (2.0 in)
  • LF Winding MaterialCopper
  • LF Flux Density1.1 T
  • Former MaterialKapton
  • Winding Depth13.0 mm (0.51 in)
  • Magnetic Gap Depth6.0 mm (0.24 in)

Specifications HF Unit

  • HF Sensitivity5105.0 dB
  • HF Nominal Power Handling625 W
  • HF Continuous Power Handling750 W
  • HF Voice Coil Diameter36 mm (1.4 in)
  • HF Winding MaterialAluminium
  • HF Flux Density1.8 T
  • Diaphragm MaterialPolyester
  • Recommended Crossover82.2 kHz
  • Inductance0.06 mH

Parameters

  • Resonance Frequency89 Hz
  • Re5.2 Ω
  • Qes0.4
  • Qms7.5
  • Qts0.38
  • Vas5.0 dm3 (0.18 ft3)
  • Sd132.0 cm2 (20.5 in2)
  • η₀0.8 %
  • Xmax5.0 mm
  • Xvar5.5 mm
  • Mms16.0 g
  • Bl10.9 Txm
  • Le0.8 mH
  • EBP222 Hz

Mounting And Shipping Info

  • Overall Diameter187 mm (7.4 in)
  • Bolt Circle Diameter172 mm (6.7 in)
  • Baffle Cutout Diameter146 mm (5.75 in)
  • Depth104 mm (4.1 in)
  • Flange and Gasket Thickness11 mm (0.4 in)
  • Net Weight1.55 kg (3.4 lb)
  • Shipping Units1
  • Shipping Weight2.0 kg (4.41 lb)
  • Shipping Box255x255x150 mm (10.04x10.04x5.91 in)

Service Kit

  • Service Kit LFRCK06HCX518
  • Replacement diaphragmMMD0128
  • 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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