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Continuous Power Handling
Voice Coil Diameter
Magnet Material
 
 
 
 

Key Features

  • 400 W continuous program power capacity
  • 51 mm (2 in) copper voice coil
  • 70 - 5000 Hz response
  • 97 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 Impedance7.4 Ω
  • Nominal Power Handling1200 W
  • Continuous Power Handling2400 W
  • Sensitivity397.0 dB
  • Frequency Range70 - 5000 Hz
  • Voice Coil Diameter51 mm (2.0 in)
  • Winding MaterialCopper
  • Former MaterialKapton
  • Winding Depth17.0 mm (0.65 in)
  • Magnetic Gap Depth10.0 mm (0.4 in)
  • Flux Density1.35 T

Design

  • Surround ShapeDouble Roll
  • Cone ShapeExponential
  • Magnet MaterialFerrite
  • SpiderSingle
  • Pole DesignT-Pole
  • Woofer Cone TreatmentTWP Waterproof Both Sides
  • Recommended Enclosure12.0 dm3 (0.42 ft3)
  • Recommended Tuning74 Hz

Parameters4

  • Resonance Frequency74 Hz
  • Re5.2 Ω
  • Qes0.21
  • Qms9.3
  • Qts0.21
  • Vas12.0 dm3 (0.42 ft3)
  • Sd220.0 cm2 (34.1 in2)
  • η₀2.1 %
  • Xmax6.0 mm
  • Xvar5.0 mm
  • Mms27.0 g
  • Bl17.7 Txm
  • Le0.56 mH
  • EBP352 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)
  • Depth100 mm (3.94 in)
  • Flange and Gasket Thickness9 mm (0.35 in)
  • Air Volume Occupied by Driver1.5 dm3 (0.05 ft3)
  • Net Weight5.3 kg (11.6 lb)
  • Shipping Units1
  • Shipping Weight5.75 kg (12.68 lb)
  • Shipping Box255x255x150 mm (10.04x10.04x5.91 in)

Service Kit

  • RCK008FW518
  • 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.