Ciare CH252

Full-range

Nominal diameter10″ / 250 mm
Resonance55 Hz
Q factor0.24
Sensitivity95.9 dB
Linear excursion± 1.4 mm
Program Power300 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 95.9dB
  • Frequency response 50 - 12000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 55Hz
  • Mechanical quality factor QMS 1.64
  • Electrical quality factor QES 0.29
  • Total quality factor QTS 0.24

Large signal parameters

  • Maximum linear excursion xmax 1.4mm
  • Air volume displaced at xmax VD 48cm³
  • Power handling P 150W
  • Program power Pmax 300W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.0Ω
  • Inductance (1kHz) LE 0.36mH
  • VC Diameter 50mm
  • Former material Aluminium

Magnet

  • Force factor Bl 10.2N/A
  • Motor constant Bl/√RE 5.89N/√W
  • Air gap height HAG 8mm

Diaphragm

  • Effective diameter 213mm
  • Effective area SD 356cm²
  • Moving mass MMS 29g
  • Moving mass (without air load) MMD 24.1g

Suspensions

  • Stiffness KMS 3.45N/mm
  • Compliance CMS 290µm/N
  • Equivalent volume to the compliance VAS 52L
  • Mechanical resistance RMS 6.11N·s/m
  • Surround material Fabric

Dimensions

  • Nominal diameter 10
  • 250mm
  • Overall diameter 265mm
  • Baffle cutout diameter 238mm
  • Overall depth 100mm
  • Flange thickness 9mm
  • Mounting depth 91mm
  • Volume occupied by the driver (estimated) 1.2L
  • Frame material Steel
Ciare CH252 SPL & Impedance
Ciare CH252 Dimensions

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