Ciare CZ180

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 100Hz
• Mechanical quality factor QMS 4.41
• Electrical quality factor QES 1.47
• Total quality factor QTS 1.10

Large signal parameters

• Maximum linear excursion xmax 1.1mm
• Air volume displaced at xmax VD 9.4cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz, estimated) LE 0.3mH
• VC Diameter 25mm
• Former material Aluminium

Magnet

• Force factor Bl 3.42N/A
• Motor constant Bl/√RE 1.83N/√W
• Air gap height HAG 4mm

Diaphragm

• Effective diameter 105mm
• Effective area SD 85.4cm²
• Moving mass MMS 7.77g
• Moving mass (without air load) MMD 7.2g

Suspensions

• Stiffness KMS 3.03N/mm
• Compliance CMS 330µm/N
• Equivalent volume to the compliance VAS 3.41L
• Mechanical resistance RMS 1.11N·s/m
• Surround material Polyurethane

Dimensions

• Nominal size 5 x 7″
• 130 x 180mm
• Overall size 130 x 180mm
• Mounting baffle cutout 110 x 160mm
• Overall depth 58mm
• Flange thickness 7mm
• Mounting depth 51mm
• Volume occupied by the driver (estimated) 0.22L
• Frame material Steel