Wavecor SW312TU02

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.1dB
• Frequency response 28 - 300Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 27.5Hz
• Mechanical quality factor QMS 11.50
• Electrical quality factor QES 0.53
• Total quality factor QTS 0.50

Large signal parameters

• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 1.55mH
• VC Diameter 51mm
• Winding height HVC 31mm
• Former material Black fiber glass

Magnet

• Force factor Bl 14.3N/A
• Motor constant Bl/√RE 7.99N/√W
• Air gap height HAG 8mm
• Weight 2.7kg

Diaphragm

• Effective diameter 256mm
• Effective area SD 513cm²
• Moving mass MMS 194g
• Moving mass (without air load) MMD 186g
• Material Aluminum

Suspensions

• Stiffness KMS 5.78N/mm
• Compliance CMS 173µm/N
• Equivalent volume to the compliance VAS 65L
• Mechanical resistance RMS 2.91N·s/m

Dimensions

• Nominal diameter 12.25″
• 312mm
• Overall diameter 312mm
• Baffle cutout diameter 282mm
• Mounting depth 149mm
• Volume occupied by the driver (estimated) 2.9L
• Net weight 6.5kg
• Frame material Die cast aluminum