Ciare PW321

• Sensitivity (1W, 1m, infinite baffle) SPL1W 99.6dB
• Frequency response 45 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 52Hz
• Mechanical quality factor QMS 2.38
• Electrical quality factor QES 0.46
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 3.5mm
• Air volume displaced at xmax VD 178cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.37mH
• VC Diameter 38mm
• Former material Aluminium

Magnet

• Force factor Bl 11.3N/A
• Motor constant Bl/√RE 4.61N/√W
• Air gap height HAG 7mm
• Material Ferrite

Diaphragm

• Effective diameter 256mm
• Effective area SD 509cm²
• Moving mass MMS 27.7g
• Moving mass (without air load) MMD 19.4g

Suspensions

• Stiffness KMS 3.23N/mm
• Compliance CMS 310µm/N
• Equivalent volume to the compliance VAS 114L
• Mechanical resistance RMS 3.81N·s/m

Dimensions

• Nominal diameter 12″
• 320mm
• Overall diameter 312mm
• Baffle cutout diameter 285mm
• Overall depth 120mm
• Flange thickness 10mm
• Mounting depth 110mm
• Volume occupied by the driver (estimated) 1.9L
• Frame material Steel