Ciare PM203

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 91Hz
• Mechanical quality factor QMS 3.28
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.54

Large signal parameters

• Maximum linear excursion xmax 4.4mm
• Air volume displaced at xmax VD 94cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.58mH
• VC Diameter 50mm
• Winding height HVC 12.7mm
• Former material Aluminum

Magnet

• Force factor Bl 10.1N/A
• Motor constant Bl/√RE 4.26N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 165mm
• Effective area SD 214cm²
• Moving mass MMS 20.2g
• Moving mass (without air load) MMD 17.9g

Suspensions

• Stiffness KMS 6.67N/mm
• Compliance CMS 150µm/N
• Equivalent volume to the compliance VAS 10L
• Mechanical resistance RMS 3.52N·s/m
• Surround material Nomex Fabric

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 210mm
• Baffle cutout diameter 180mm
• Overall depth 97mm
• Flange thickness 8mm
• Mounting depth 89mm
• Volume occupied by the driver (estimated) 0.94L
• Net weight 2.6kg
• Frame material Steel