Ciare CW170Z

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 74Hz
• Mechanical quality factor QMS 3.39
• Electrical quality factor QES 1.93
• Total quality factor QTS 1.23

Large signal parameters

• Maximum linear excursion xmax 2.8mm
• Air volume displaced at xmax VD 37cm³
• Power handling P 50W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz, estimated) LE 0.33mH
• VC Diameter 25mm
• Winding height HVC 7.5mm
• Former material Aluminum

Magnet

• Force factor Bl 2.71N/A
• Motor constant Bl/√RE 1.45N/√W
• Air gap height HAG 4mm

Diaphragm

• Effective diameter 130mm
• Effective area SD 133cm²
• Moving mass MMS 8.64g
• Moving mass (without air load) MMD 7.5g

Suspensions

• Stiffness KMS 1.89N/mm
• Compliance CMS 530µm/N
• Equivalent volume to the compliance VAS 13.1L
• Mechanical resistance RMS 1.19N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 165mm
• Baffle cutout diameter 142mm
• Overall depth 66mm
• Flange thickness 6mm
• Mounting depth 60mm
• Volume occupied by the driver (estimated) 0.27L
• Net weight 0.72kg
• Frame material Steel