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8cl51rear%200015_20_19_338_8cl51front15_20_19_339_8cl51rear_b
Continuous Power Handling
Voice Coil Diameter
Magnet Material
 
 
 
 

Key Features

  • 400 W continuous program power capacity
  • 50 mm (2 in) copper voice coil
  • 70 - 5000 Hz response
  • 94 dB sensitivity
  • Neodymium magnet allows a very light yet powerful motor assembly
  • Shorting copper cap for extended HF response

Specifications

  • Nominal Diameter200 mm (8.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.3 Ω
  • Nominal Power Handling1200 W
  • Continuous Power Handling2400 W
  • Sensitivity394.0 dB
  • Frequency Range70 - 5000 Hz
  • Voice Coil Diameter51 mm (2.0 in)
  • Winding MaterialCopper
  • Former MaterialGlass Fibre
  • Winding Depth17.0 mm (0.67 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)
  • Flux Density1.15 T

Design

  • Surround ShapeDouble Roll
  • Cone ShapeExponential
  • Magnet MaterialNeodymium Inside Slug
  • SpiderSingle
  • Pole DesignStraight Pole
  • Woofer Cone TreatmentWP Waterproof Front Side
  • Recommended Enclosure17.0 dm3 (0.6 ft3)
  • Recommended Tuning63 Hz

Parameters4

  • Resonance Frequency69 Hz
  • Re5.1 Ω
  • Qes0.44
  • Qms5.6
  • Qts0.41
  • Vas12.5 dm3 (0.44 ft3)
  • Sd220.0 cm2 (34.1 in2)
  • η₀0.9 %
  • Xmax6.5 mm
  • Xvar6.0 mm
  • Mms29.0 g
  • Bl12.0 Txm
  • Le0.5 mH
  • EBP156 Hz

Mounting And Shipping Info

  • Overall Diameter209 mm (8.23 in)
  • Bolt Circle Diameter199 mm (7.83 in)
  • Baffle Cutout Diameter186.0 mm (7.32 in)
  • Depth96 mm (3.78 in)
  • Flange and Gasket Thickness9 mm (0.35 in)
  • Air Volume Occupied by Driver1.1 dm3 (0.04 ft3)
  • Net Weight1.25 kg (2.76 lb)
  • Shipping Units1
  • Shipping Weight1.7 kg (3.75 lb)
  • Shipping Box255x255x150 mm (10.04x10.04x5.91 in)

Service Kit

  • RCK008CL518
  • 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.