Ciare HW159

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.4dB

Thiele & Small parameters

• Resonance frequency (free air) fS 53Hz
• Mechanical quality factor QMS 2.56
• Electrical quality factor QES 0.61
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 5.8mm
• Air volume displaced at xmax VD 77cm³
• Power handling P 60W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 0.51mH
• VC Diameter 25mm
• Winding height HVC 14mm
• Former material Aluminum

Magnet

• Force factor Bl 6.32N/A
• Motor constant Bl/√RE 2.52N/√W
• Air gap height HAG 5mm

Diaphragm

• Effective diameter 130mm
• Effective area SD 133cm²
• Moving mass MMS 11.4g
• Moving mass (without air load) MMD 10.3g

Suspensions

• Stiffness KMS 1.27N/mm
• Compliance CMS 790µm/N
• Equivalent volume to the compliance VAS 19.4L
• Mechanical resistance RMS 1.49N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 169mm
• Baffle cutout diameter 142mm
• Overall depth 74mm
• Flange thickness 8mm
• Mounting depth 66mm
• Volume occupied by the driver (estimated) 0.4L
• Net weight 1.11kg
• Frame material Steel