Ciare CW455

Woofer

Nominal diameter18″ / 450 mm
Resonance35 Hz
Q factor0.24
Sensitivity97.2 dB
Linear excursion± 6 mm
Program Power1000 W
Discontinued
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 97.2dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 35Hz
  • Mechanical quality factor QMS 19.88
  • Electrical quality factor QES 0.24
  • Total quality factor QTS 0.24

Large signal parameters

  • Maximum linear excursion xmax 6mm
  • Air volume displaced at xmax VD 679cm³
  • Power handling P 500W
  • Program power Pmax 1000W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.2Ω
  • Inductance (1kHz) LE 1.03mH
  • VC Diameter 100mm
  • Winding material Aluminium
  • Former material Kapton

Magnet

  • Force factor Bl 21.8N/A
  • Motor constant Bl/√RE 12.3N/√W
  • Air gap height HAG 10mm
  • Material Ferrite

Diaphragm

  • Effective diameter 384mm
  • Effective area SD 1131cm²
  • Moving mass MMS 164g
  • Moving mass (without air load) MMD 136g

Suspensions

  • Stiffness KMS 7.69N/mm
  • Compliance CMS 130µm/N
  • Equivalent volume to the compliance VAS 236L
  • Mechanical resistance RMS 1.81N·s/m
  • Surround material Nomex

Dimensions

  • Nominal diameter 18
  • 450mm
  • Overall diameter 460mm
  • Baffle cutout diameter 416mm
  • Overall depth 174mm
  • Flange thickness 17mm
  • Mounting depth 157mm
  • Volume occupied by the driver (estimated) 5.3L
  • Frame material Aluminium
Ciare CW455 SPL & Impedance
Ciare CW455 Dimensions

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