Ciare HW172

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 46Hz
• Mechanical quality factor QMS 2.24
• Electrical quality factor QES 0.45
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 4.5mm
• Air volume displaced at xmax VD 60cm³
• Power handling P 80W
• Program power Pmax 180W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.4mH
• VC Diameter 32mm
• Winding height HVC 12mm
• Former material Aluminum

Magnet

• Force factor Bl 7.59N/A
• Motor constant Bl/√RE 3.1N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 130mm
• Effective area SD 133cm²
• Moving mass MMS 14.5g
• Moving mass (without air load) MMD 13.3g
• Material Polypropylene

Suspensions

• Stiffness KMS 1.24N/mm
• Compliance CMS 810µm/N
• Equivalent volume to the compliance VAS 20L
• Mechanical resistance RMS 1.87N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 7″
• 180mm
• Overall diameter 180mm
• Baffle cutout diameter 146mm
• Overall depth 78mm
• Flange thickness 5mm
• Mounting depth 73mm
• Volume occupied by the driver (estimated) 0.55L
• Net weight 1.64kg
• Frame material Aluminium