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Continuous Power Handling
Voice Coil Diameter
Magnet Material
 
 
 
 

Key Features

  • 3000 W continuous program power capacity
  • 100 mm (4 in) split winding copper voice coil
  • 35 - 1000 Hz response
  • 96 dB sensitivity
  • 57 mm peak-to-peak excursion before damage
  • Double silicone spider with optimized compliance
  • Ventilated voice coil gap for reduced power compression
  • Aluminium demodulating ring for very low distortion

Specifications

  • Nominal Diameter460 mm (18.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.5 Ω
  • Nominal Power Handling11500 W
  • Continuous Power Handling23000 W
  • Sensitivity396.0 dB
  • Frequency Range35 - 1000 Hz
  • Voice Coil Diameter100 mm (4.0 in)
  • Winding MaterialCopper
  • Former MaterialGlass Fibre
  • Winding Depth31.0 mm (1.22 in)
  • Magnetic Gap Depth15.0 mm (0.59 in)
  • Flux Density1.15 T

Design

  • Surround ShapeTriple Roll
  • Cone ShapeRadial
  • Magnet MaterialFerrite
  • SpiderDouble Silicone
  • Pole DesignT-Pole
  • Woofer Cone TreatmentTWP Waterproof Both Sides
  • Recommended Enclosure200.0 dm3 (7.06 ft3)
  • Recommended Tuning32 Hz

Parameters4

  • Resonance Frequency35 Hz
  • Re5.3 Ω
  • Qes0.41
  • Qms8.0
  • Qts0.39
  • Vas175.0 dm3 (6.18 ft3)
  • Sd1210.0 cm2 (187.6 in2)
  • η₀1.76 %
  • Xmax12.0 mm
  • Xvar14.0 mm
  • Mms245.0 g
  • Bl26.4 Txm
  • Le2.45 mH
  • EBP85 Hz

Mounting And Shipping Info

  • Overall Diameter460 mm (18.0 in)
  • Bolt Circle Diameter442 mm (17.4 in)
  • Baffle Cutout Diameter422.0 mm (16.6 in)
  • Depth241 mm (9.5 in)
  • Flange and Gasket Thickness16 mm (0.61 in)
  • Air Volume Occupied by Driver11.0 dm3 (0.39 ft3)
  • Net Weight15.1 kg (33.3 lb)
  • Shipping Units1
  • Shipping Weight16.7 kg (36.82 lb)
  • Shipping Box500x495x275 mm (19.69x19.49x10.83 in)

Service Kit

  • RCK18TBW1008
  • 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 2.83 V for 8 ohms Nominal Impedance.
  • Thiele-Small parameters are measured after a high level 20 Hz sine wave preconditioning test.