Ciare CZ170

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 104Hz
• Mechanical quality factor QMS 4.59
• Electrical quality factor QES 2.16
• Total quality factor QTS 1.47

Large signal parameters

• Maximum linear excursion xmax 1.1mm
• Air volume displaced at xmax VD 15cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz, estimated) LE 0.28mH
• VC Diameter 25mm
• Former material Aluminium

Magnet

• Force factor Bl 2.73N/A
• Motor constant Bl/√RE 1.46N/√W
• Air gap height HAG 4mm
• Material Ferrite

Diaphragm

• Effective diameter 130mm
• Effective area SD 132cm²
• Moving mass MMS 7.05g
• Moving mass (without air load) MMD 5.9g

Suspensions

• Stiffness KMS 3.03N/mm
• Compliance CMS 330µm/N
• Equivalent volume to the compliance VAS 8.16L
• Mechanical resistance RMS 1N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 165mm
• Baffle cutout diameter 142mm
• Overall depth 60mm
• Flange thickness 6mm
• Mounting depth 54mm
• Volume occupied by the driver (estimated) 0.32L
• Frame material Steel