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18PS76

LF Drivers 18.0 inches

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Continuous power handling
Voice coil diameter
Magnet material
 
 
 

Features

  • 1200 W continuous program power capacity
  • 76 mm (3 in) copper voice coil
  • 40 - 2000 Hz response
  • 99 dB sensitivity
  • Double silicone spider with optimized compliance

Specifications

  • Nominal Diameter460 mm (18.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.5 Ω
  • Nominal Power Handling1600 W
  • Continuous power handling21200 W
  • Sensitivity (1W/1m)399.0 dB
  • Frequency Range40 - 2000 Hz
  • Voice Coil Diameter76 mm (3.0 in)
  • Winding MaterialCopper
  • Former MaterialGlass Fibre
  • Winding Depth24.0 mm (0.92 in)
  • Magnetic Gap Depth11.0 mm (0.4 in)
  • Flux Density1.25 T

Design

  • Surround ShapeTriple Roll
  • Cone ShapeExponential
  • Magnet MaterialFerrite
  • SpiderDouble Silicone
  • Pole DesignStraight Pole
  • Woofer Cone TreatmentTWP Waterproof Both Sides
  • Recommended Enclosure150.0 dm3 (5.3 ft3)
  • Recommended Tuning45 Hz

Parameters4

  • Resonance Frequency39 Hz
  • Re5.0 Ω
  • Qes0.29
  • Qms6.1
  • Qts0.27
  • Vas207.0 dm3 (7.2 ft3)
  • Sd1210.0 cm2 (187.6 in2)
  • η₀4.0 %
  • Xmax± 7.0 mm
  • Xvar± 8.0 mm
  • Mms149.0 g
  • Bl25.8 Txm
  • Le1.9 mH
  • EBP134 Hz

Mounting and Shipping Info

  • Overall Diameter460 mm (18.0 in)
  • Bolt Circle Diameter440 mm (17.3 in)
  • Baffle Cutout Diameter422.0 mm (16.6 in)
  • Depth202 mm (7.95 in)
  • Flange and Gasket Thickness16 mm (0.62 in)
  • Air Volume Occupied by Driver9.0 dm3 (0.32 ft3)
  • Net Weight10.8 kg (23.81 lb)
  • Shipping Units1
  • Shipping Weight12.5 kg (27.56 lb)
  • Shipping Box500x495x275 mm (19.69x19.49x10.83 in)

Service Kit

  • 2 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated minumum 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 2.83 V for 8 ohms Nominal Impedance.
  • Thiele-Small parameters are measured after a high level 20 Hz sine wave preconditioning test.