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Continuous Power Handling
Voice Coil Diameter
Magnet Material
 
 
 
 

Key Features

  • 500 W continuous program power capacity
  • 51 mm (2 in) copper voice coil
  • 50 - 4000 Hz response
  • 93 dB sensitivity
  • Shorting copper cap for extended HF response
  • Ventilated voice coil gap for reduced power compression

Specifications

  • Nominal Diameter200 mm (8.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.5 Ω
  • Nominal Power Handling1250 W
  • Continuous Power Handling2500 W
  • Sensitivity393.0 dB
  • Frequency Range50 - 4000 Hz
  • Voice Coil Diameter51 mm (2.0 in)
  • Winding MaterialCopper
  • Former MaterialGlass Fibre
  • Winding Depth17.0 mm (0.65 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)
  • Flux Density1.15 T

Design

  • Surround ShapeRoll
  • Cone ShapeExponential
  • Magnet MaterialFerrite
  • SpiderSingle
  • Pole DesignT-Pole
  • Woofer Cone TreatmentWP Waterproof Front Side
  • Recommended Enclosure17.0 dm3 (0.6 ft3)
  • Recommended Tuning52 Hz

Parameters4

  • Resonance Frequency49 Hz
  • Re5.1 Ω
  • Qes0.34
  • Qms9.0
  • Qts0.32
  • Vas20.0 dm3 (0.71 ft3)
  • Sd220.0 cm2 (34.1 in2)
  • η₀0.7 %
  • Xmax6.5 mm
  • Xvar8.0 mm
  • Mms35.0 g
  • Bl12.9 Txm
  • Le0.5 mH
  • EBP144 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)
  • Depth93 mm (3.7 in)
  • Flange and Gasket Thickness11 mm (0.43 in)
  • Air Volume Occupied by Driver1.5 dm3 (0.05 ft3)
  • Net Weight3.5 kg (7.7 lb)
  • Shipping Units1
  • Shipping Weight3.95 kg (8.71 lb)
  • Shipping Box255x255x150 mm (10.04x10.04x5.91 in)

Service Kit

  • RCK008FG518
  • 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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