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Continuous Power Handling
Voice Coil Diameter
Magnet Material
 
 
 
 

Key Features

  • 1000 W continuous program power capacity
  • 76 mm (3 in) copper voice coil
  • 40 - 2000 Hz response
  • 98.5 dB sensitivity
  • Neodymium ring magnet assembly
  • Aluminium demodulating ring allows a very low distortion figure
  • Ventilated voice coil gap for reduced power compression

Specifications

  • Nominal Diameter320 mm (12.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.9 Ω
  • Nominal Power Handling1500 W
  • Continuous Power Handling21000 W
  • Sensitivity398.5 dB
  • Frequency Range40 - 2000 Hz
  • Voice Coil Diameter76 mm (3.0 in)
  • Winding MaterialCopper
  • Former MaterialGlass Fibre
  • Winding Depth19.0 mm (0.75 in)
  • Magnetic Gap Depth11.0 mm (0.43 in)
  • Flux Density1.3 T

Design

  • Surround ShapeTriple Roll
  • Cone ShapeExponential
  • Magnet MaterialNeodymium Ring
  • SpiderSingle
  • Pole DesignT-Pole
  • Woofer Cone TreatmentTWP Waterproof Both Sides
  • Recommended Enclosure50.0 dm3 (1.77 ft3)
  • Recommended Tuning60 Hz

Parameters4

  • Resonance Frequency40 Hz
  • Re5.3 Ω
  • Qes0.17
  • Qms3.7
  • Qts0.16
  • Vas76.0 dm3 (2.7 ft3)
  • Sd522.0 cm2 (80.9 in2)
  • η₀2.8 %
  • Xmax8.0 mm
  • Xvar10.0 mm
  • Mms77.0 g
  • Bl25.5 Txm
  • Le1.25 mH
  • EBP235 Hz

Mounting And Shipping Info

  • Overall Diameter315 mm (12.4 in)
  • Bolt Circle Diameter298 mm (11.7 in)
  • Baffle Cutout Diameter283.0 mm (11.1 in)
  • Depth147 mm (5.8 in)
  • Flange and Gasket Thickness14 mm (0.55 in)
  • Air Volume Occupied by Driver2.5 dm3 (0.08 ft3)
  • Net Weight4.9 kg (10.8 lb)
  • Shipping Units1
  • Shipping Weight5.8 kg (12.79 lb)
  • Shipping Box360x360x200 mm (14.17x14.17x7.87 in)

Service Kit

  • RCK12NW768
  • 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.