Ciare PW205ND

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB

Thiele & Small parameters

• Resonance frequency (free air) fS 75Hz
• Mechanical quality factor QMS 4.83
• Electrical quality factor QES 0.36
• Total quality factor QTS 0.34

Large signal parameters

• Maximum linear excursion xmax 6.3mm
• Air volume displaced at xmax VD 142cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.46mH
• VC Diameter 50mm
• Winding material Aluminium
• Former material Kapton

Magnet

• Force factor Bl 12.1N/A
• Motor constant Bl/√RE 4.93N/√W
• Air gap height HAG 8mm
• Material Neodymium

Diaphragm

• Effective diameter 170mm
• Effective area SD 227cm²
• Moving mass MMS 18.2g
• Moving mass (without air load) MMD 15.7g

Suspensions

• Stiffness KMS 4.17N/mm
• Compliance CMS 240µm/N
• Equivalent volume to the compliance VAS 17.6L
• Mechanical resistance RMS 1.78N·s/m
• Surround material Nomex

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 208mm
• Baffle cutout diameter 184mm
• Overall depth 85mm
• Flange thickness 11mm
• Mounting depth 74mm
• Volume occupied by the driver (estimated) 0.7L
• Frame material Aluminium