Ciare HX255

Woofer

Nominal diameter10″ / 250 mm
Resonance43 Hz
Q factor0.58
Sensitivity90.6 dB
Linear excursion± 4.8 mm
Program Power200 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 90.6dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 43Hz
  • Mechanical quality factor QMS 3.79
  • Electrical quality factor QES 0.68
  • Total quality factor QTS 0.58

Large signal parameters

  • Maximum linear excursion xmax 4.8mm
  • Air volume displaced at xmax VD 168cm³
  • Power handling P 100W
  • Program power Pmax 200W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.4Ω
  • Inductance (1kHz) LE 0.52mH
  • VC Diameter 50mm
  • Former material Aluminium

Magnet

  • Force factor Bl 8.42N/A
  • Motor constant Bl/√RE 3.62N/√W
  • Air gap height HAG 8mm
  • Material Neodymium

Diaphragm

  • Effective diameter 212mm
  • Effective area SD 353cm²
  • Moving mass MMS 33.4g
  • Moving mass (without air load) MMD 28.5g

Suspensions

  • Stiffness KMS 2.33N/mm
  • Compliance CMS 430µm/N
  • Equivalent volume to the compliance VAS 75.9L
  • Mechanical resistance RMS 2.38N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 10
  • 250mm
  • Overall diameter 268mm
  • Baffle cutout diameter 235mm
  • Overall depth 132mm
  • Flange thickness 5mm
  • Mounting depth 127mm
  • Volume occupied by the driver (estimated) 1.8L
  • Frame material Aluminium
Ciare HX255 SPL & Impedance
Ciare HX255 Dimensions

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