Ciare PW337

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 47.8Hz
• Mechanical quality factor QMS 7.20
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 211cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 1.46mH
• VC Diameter 75mm
• Former material Kapton

Magnet

• Force factor Bl 20.4N/A
• Motor constant Bl/√RE 8.49N/√W
• Air gap height HAG 10mm
• Material Ferrite

Diaphragm

• Effective diameter 261mm
• Effective area SD 526cm²
• Moving mass MMS 81.6g
• Moving mass (without air load) MMD 72.9g

Suspensions

• Stiffness KMS 7.14N/mm
• Compliance CMS 140µm/N
• Equivalent volume to the compliance VAS 55L
• Mechanical resistance RMS 3.4N·s/m
• Surround material Nomex

Dimensions

• Nominal diameter 12″
• 320mm
• Overall diameter 315mm
• Baffle cutout diameter 282mm
• Overall depth 133mm
• Flange thickness 13mm
• Mounting depth 120mm
• Volume occupied by the driver (estimated) 2.2L
• Frame material Aluminium