Ciare CXPA-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 198Hz
• Mechanical quality factor QMS 4.90
• Electrical quality factor QES 0.86
• Total quality factor QTS 0.73

Large signal parameters

• Maximum linear excursion xmax 2.8mm
• Air volume displaced at xmax VD 14cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 0.38mH
• VC Diameter 38mm
• Winding material Copper
• Former material Kapton

Magnet

• Force factor Bl 6.85N/A
• Motor constant Bl/√RE 2.98N/√W
• Material Neodymium

Diaphragm

• Effective diameter 81mm
• Effective area SD 51.5cm²
• Moving mass MMS 6.15g
• Moving mass (without air load) MMD 5.9g
• Material Paper

Suspensions

• Stiffness KMS 9.09N/mm
• Compliance CMS 110µm/N
• Equivalent volume to the compliance VAS 0.39L
• Mechanical resistance RMS 1.56N·s/m
• Surround material Fabric

Dimensions

• Nominal diameter 4″
• 100mm
• Overall diameter 101mm
• Baffle cutout diameter 91mm
• Overall depth 51mm
• Flange thickness 6mm
• Mounting depth 45mm
• Volume occupied by the driver (estimated) 0.13L
• Frame material Steel