Ciare CX131

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.4dB

Thiele & Small parameters

• Resonance frequency (free air) fS 83Hz
• Mechanical quality factor QMS 3.45
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 18cm³
• Power handling P 60W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz, estimated) LE 0.25mH
• VC Diameter 25mm
• Former material Aluminium

Magnet

• Force factor Bl 4.59N/A
• Motor constant Bl/√RE 2.49N/√W
• Air gap height HAG 4mm
• Material Ferrite

Diaphragm

• Effective diameter 106mm
• Effective area SD 87.9cm²
• Moving mass MMS 5.9g
• Moving mass (without air load) MMD 5.3g

Suspensions

• Stiffness KMS 1.61N/mm
• Compliance CMS 620µm/N
• Equivalent volume to the compliance VAS 6.8L
• Mechanical resistance RMS 0.89N·s/m
• Surround material Polyurethane

Dimensions

• Nominal diameter 5″
• 130mm
• Overall diameter 130mm
• Baffle cutout diameter 112mm
• Overall depth 57mm
• Flange thickness 8mm
• Mounting depth 49mm
• Volume occupied by the driver (estimated) 0.22L
• Frame material Steel