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

Key Features

  • 400 W continuous program power capacity
  • 100° nominal coverage
  • 75 - 20000 Hz response
  • 94 dB sensitivity
  • 34.5 mm (1.35”) HF unit exit diameter
  • XO-1 dedicated crossover network

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
  • Mms21.0 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 Weight4.6 kg (10.14 lb)
  • Shipping Box295x314x175 mm (11.61x12.36x6.89 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 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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