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18sw115%2000W1siziisijiwmtmvmdevmtuvmduvmjevmdmvmjyxl2zpbguixsxbinailcj0ahvtyiisijeymdb4njawil0swyjliiwicg5nil1d
Continuous Power Handling
Voice Coil Diameter
Magnet Material
 
 
 
 

Key Features

  • 3400 W continuous program power capacity
  • 116 mm (4.5 in) split winding copper voice coil
  • 35 - 1500 Hz response
  • 97 dB sensitivity
  • 60 mm peak-to-peak excursion before damage
  • Neodymium magnet allows a very high force factor and linear excursion
  • 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 Handling11700 W
  • Continuous Power Handling23400 W
  • Sensitivity397.0 dB
  • Frequency Range35 - 1500 Hz
  • Voice Coil Diameter116 mm (4.5 in)
  • Winding MaterialCopper
  • Former MaterialGlass Fibre
  • Winding Depth34.0 mm (1.33 in)
  • Magnetic Gap Depth14.0 mm (0.55 in)
  • Flux Density1.16 T

Design

  • Surround ShapeTriple Roll
  • Cone ShapeRadial
  • Magnet MaterialNeodymium Inside Slug
  • SpiderDouble Silicone
  • Pole DesignT-Pole
  • Woofer Cone TreatmentTWP Waterproof Both Sides
  • Recommended Enclosure150.0 dm3 (5.3 ft3)
  • Recommended Tuning35 Hz

Parameters4

  • Resonance Frequency32 Hz
  • Re5.3 Ω
  • Qes0.32
  • Qms5.6
  • Qts0.3
  • Vas187.0 dm3 (6.5 ft3)
  • Sd1210.0 cm2 (187.6 in2)
  • η₀1.9 %
  • Xmax14.0 mm
  • Xvar16.0 mm
  • Mms275.0 g
  • Bl30.3 Txm
  • Le1.9 mH
  • EBP100 Hz

Mounting And Shipping Info

  • Overall Diameter460 mm (18.0 in)
  • Bolt Circle Diameter443 mm (17.44 in)
  • Baffle Cutout Diameter422.0 mm (16.6 in)
  • Depth242 mm (9.5 in)
  • Flange and Gasket Thickness16 mm (0.62 in)
  • Air Volume Occupied by Driver10.5 dm3 (0.37 ft3)
  • Net Weight11.9 kg (26.2 lb)
  • Shipping Units1
  • Shipping Weight13.7 kg (30.2 lb)
  • Shipping Box500x500x300 mm (19.69x19.69x11.81 in)

Service Kit

  • RCK18SW1158
  • 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.
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