Ciare CW387

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.8dB

Thiele & Small parameters

• Resonance frequency (free air) fS 37Hz
• Mechanical quality factor QMS 10.35
• Electrical quality factor QES 0.32
• Total quality factor QTS 0.31

Large signal parameters

• Maximum linear excursion xmax 3.8mm
• Air volume displaced at xmax VD 318cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.6mH
• VC Diameter 100mm
• Winding material Aluminium
• Former material Kapton

Magnet

• Force factor Bl 15.9N/A
• Motor constant Bl/√RE 8.62N/√W
• Air gap height HAG 10mm
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 847cm²
• Moving mass MMS 103g
• Moving mass (without air load) MMD 85.8g

Suspensions

• Stiffness KMS 5.56N/mm
• Compliance CMS 180µm/N
• Equivalent volume to the compliance VAS 183L
• Mechanical resistance RMS 2.31N·s/m
• Surround material Nomex

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 388mm
• Baffle cutout diameter 350mm
• Overall depth 161mm
• Flange thickness 15mm
• Mounting depth 146mm
• Volume occupied by the driver (estimated) 3.8L
• Frame material Aluminium