Ciare CZ087

2 Way

Nominal diameter3″ / 87 mm
Resonance177 Hz
Q factor1.76
Sensitivity88 dB
Linear excursion± 1.6 mm
Program Power80 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 88dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 177Hz
  • Mechanical quality factor QMS 5.56
  • Electrical quality factor QES 2.57
  • Total quality factor QTS 1.76

Large signal parameters

  • Maximum linear excursion xmax 1.6mm
  • Air volume displaced at xmax VD 5.2cm³
  • Power handling P 30W
  • Program power Pmax 80W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.5Ω
  • Inductance (1kHz, estimated) LE 0.12mH
  • VC Diameter 25mm
  • Former material Aluminium

Magnet

  • Force factor Bl 1.74N/A
  • Motor constant Bl/√RE 0.93N/√W
  • Air gap height HAG 3mm
  • Material Ferrite

Diaphragm

  • Effective diameter 65mm
  • Effective area SD 32.7cm²
  • Moving mass MMS 2g
  • Moving mass (without air load) MMD 1.9g

Suspensions

  • Stiffness KMS 2.44N/mm
  • Compliance CMS 410µm/N
  • Equivalent volume to the compliance VAS 0.62L
  • Mechanical resistance RMS 0.4N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 3
  • 87mm
  • Overall diameter 87mm
  • Baffle cutout diameter 77mm
  • Overall depth 36mm
  • Flange thickness 8mm
  • Mounting depth 28mm
  • Frame material Steel
Ciare CZ087 Dimensions

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