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

Specifications

  • Nominal Diameter210 mm (8.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance LF6.1 Ω
  • Minimum Impedance HF7.2 Ω
  • Frequency Range75 - 20000 Hz
  • Dispersion Angle1100 °
  • Magnet MaterialCeramic

Specifications LF Unit

  • LF Sensitivity294.0 dB
  • LF Nominal Power Handling3200 W
  • LF Continuous Power Handling4400 W
  • LF Voice Coil Diameter52 mm (2.0 in)
  • LF Winding MaterialCopper
  • LF Flux Density1.1 T
  • Former MaterialKapton
  • Winding Depth16.0 mm (0.63 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)

Specifications HF Unit

  • HF Sensitivity5101.0 dB
  • HF Nominal Power Handling625 W
  • HF Continuous Power Handling750 W
  • HF Voice Coil Diameter36 mm (1.4 in)
  • HF Winding MaterialAluminium
  • HF Flux Density1.45 T
  • Diaphragm MaterialPolyester
  • Recommended Crossover82.2 kHz
  • Inductance0.14 mH

Parameters

  • Resonance Frequency74 Hz
  • Re5.2 Ω
  • Qes0.39
  • Qms4.1
  • Qts0.36
  • Vas15.0 dm3 (0.55 ft3)
  • Sd220.0 cm2 (34.1 in2)
  • η₀1.5 %
  • Xmax5.0 mm
  • Xvar5.5 mm
  • Mms21 g
  • Bl11.5 Txm
  • Le1.2 mH
  • EBP189 Hz

Mounting And Shipping Info

  • Overall Diameter225 mm (8.8 in)
  • Bolt Circle Diameter210 mm (8.3 in)
  • Baffle Cutout Diameter187 mm (7.4 in)
  • Depth135 mm (5.3 in)
  • Flange and Gasket Thickness11 mm (0.4 in)
  • Net Weight4.0 kg (8.8 lb)
  • Shipping Units1
  • Shipping Weight4.7 kg (10.3 lb)
  • Shipping Box260x260x170 mm (10.2x10.2x6.7 in)

Crossover

  • ModelXO-1
  • Filter TypeTwo way
  • Nominal Impedance8.0 Ω
  • Low-pass Slope12.0 dB/oct
  • High-pass Slope12.0 dB/oct
  • Overall Dimensions107x96 mm (4.2x3.8 in)
  • Weight0.4 kg (0.9 lb)

Service Kit

  • Service Kit LFRCK008CX218
  • 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 (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.