Ciare CMI250ND

Mid Bass

Nominal diameter10″ / 250 mm
Resonance59 Hz
Q factor0.50
Sensitivity92.8 dB
Linear excursion± 4.5 mm
Program Power450 W
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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 92.8dB
  • Frequency response 80 - 3500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 59Hz
  • Mechanical quality factor QMS 10.80
  • Electrical quality factor QES 0.52
  • Total quality factor QTS 0.50

Large signal parameters

  • Maximum linear excursion xmax 4.5mm
  • Air volume displaced at xmax VD 160cm³
  • Power handling P 220W
  • Program power Pmax 450W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.0Ω
  • Inductance (1kHz) LE 0.39mH
  • VC Diameter 50mm
  • Winding height HVC 12.5mm
  • Winding material Copper
  • Former material Glass fiber

Magnet

  • Force factor Bl 9N/A
  • Motor constant Bl/√RE 5.2N/√W
  • Air gap height HAG 8mm
  • Material Neodymium

Diaphragm

  • Effective diameter 213mm
  • Effective area SD 356cm²
  • Moving mass MMS 38g
  • Moving mass (without air load) MMD 33g
  • Material Doped cellulose fiber

Suspensions

  • Stiffness KMS 5.21N/mm
  • Compliance CMS 192µm/N
  • Equivalent volume to the compliance VAS 34L
  • Mechanical resistance RMS 1.3N·s/m
  • Surround material Nomex Fabric
  • Spider material Nomex Fabric

Dimensions

  • Nominal diameter 10
  • 250mm
  • Overall diameter 268mm
  • Baffle cutout diameter 235mm
  • Overall depth 116mm
  • Flange thickness 13mm
  • Mounting depth 103mm
  • Volume occupied by the driver (estimated) 1.1L
  • Net weight 2.3kg
  • Frame material Aluminium
Ciare CMI250ND Impedance
Ciare CMI250ND SPL
Ciare CMI250ND Dimensions

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