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Continuous Power Handling
Voice Coil Diameter
Magnet Material
 
 
 
 

Key Features

  • 500 W continuous program power capacity
  • 64 mm (2.5 in) aluminium voice coil
  • 50 - 3000 Hz response
  • 97 dB sensitivity
  • Neodymium magnet allows a very light yet powerful motor assembly
  • Ventilated voice coil gap for reduced power compression

Specifications

  • Nominal Diameter250 mm (10.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance7.0 Ω
  • Nominal Power Handling1250 W
  • Continuous Power Handling2500 W
  • Sensitivity397.0 dB
  • Frequency Range50 - 3000 Hz
  • Voice Coil Diameter64 mm (2.5 in)
  • Winding MaterialAluminium
  • Former MaterialGlass Fibre
  • Winding Depth14.0 mm (0.55 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)
  • Flux Density1.25 T

Design

  • Surround ShapeDouble Roll
  • Cone ShapeExponential
  • Magnet MaterialNeodymium Inside Slug
  • SpiderSingle
  • Pole DesignStraight Pole
  • Woofer Cone TreatmentTWP Waterproof Both Sides
  • Recommended Enclosure26.0 dm3 (0.92 ft3)
  • Recommended Tuning62 Hz

Parameters4

  • Resonance Frequency56 Hz
  • Re5.7 Ω
  • Qes0.29
  • Qms3.4
  • Qts0.26
  • Vas31.0 dm3 (1.1 ft3)
  • Sd320.0 cm2 (50.0 in2)
  • η₀1.8 %
  • Xmax6.0 mm
  • Xvar7.0 mm
  • Mms37.0 g
  • Bl16.2 Txm
  • Le0.9 mH
  • EBP193 Hz

Mounting And Shipping Info

  • Overall Diameter261 mm (10.3 in)
  • Bolt Circle Diameter245 mm (9.6 in)
  • Baffle Cutout Diameter230.0 mm (8.8 in)
  • Depth113 mm (4.4 in)
  • Flange and Gasket Thickness13 mm (0.5 in)
  • Air Volume Occupied by Driver1.5 dm3 (0.05 ft3)
  • Net Weight2.9 kg (6.4 lb)
  • Shipping Units1
  • Shipping Weight3.5 kg (7.7 lb)
  • Shipping Box295x314x175 mm (11.61x12.36x6.89 in)

Service Kit

  • RCK10NDL648
  • 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.