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8ndl64_a8ndl64_c8ndl64_b
Continuous Power Handling
Voice Coil Diameter
Magnet Material
 
 
 
 

Specifications

  • Nominal Diameter200 mm (8.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance7.2 Ω
  • Nominal Power Handling1350 W
  • Continuous Power Handling2700 W
  • Sensitivity397.0 dB
  • Frequency Range80 - 4000 Hz
  • Voice Coil Diameter64 mm (2.5 in)
  • Winding MaterialCopper
  • Former MaterialGlass Fibre
  • Winding Depth14 mm (0.55 in)
  • Magnetic Gap Depth8 mm (0.31 in)
  • Flux Density1.25 T

Design

  • Surround ShapeDouble Roll
  • Cone ShapeExponential
  • Magnet MaterialNeodymium Inside Slug
  • SpiderSingle
  • Pole DesignT-Pole
  • Woofer Cone TreatmentWP Waterproof Front Side
  • Recommended Enclosure10.0 dm3 (0.35 ft3)
  • Recommended Tuning85 Hz

Parameters4

  • Resonance Frequency80 Hz
  • Re5.4 Ω
  • Qes0.25
  • Qms10.91
  • Qts0.25
  • Vas9.6 dm3 (0.34 ft3)
  • Sd220.0 cm2 (34.1 in2)
  • η₀1.88 %
  • Xmax4.5 mm
  • Xvar5.0 mm
  • Mms28 g
  • Bl17.5 Txm
  • Le0.62 mH
  • EBP320 Hz

Mounting And Shipping Info

  • Overall Diameter225 mm (8.8 in)
  • Bolt Circle Diameter210 mm (8.3 in)
  • Baffle Cutout Diameter187.0 mm (7.4 in)
  • Depth95 mm (3.74 in)
  • Flange and Gasket Thickness10 mm (0.39 in)
  • Air Volume Occupied by Driver1.5 dm3 (0.05 ft3)
  • Net Weight2.8 kg (6.17 lb)
  • Shipping Weight3.2 kg (7.05 lb)
  • Shipping Box300x160x180 mm (11.8x6.3x7.1 in)

Service Kit

  • RCK008NDL648
  • 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.