JL Audio 12W3v3-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.9dB

Thiele & Small parameters

• Resonance frequency (free air) fS 26.7Hz
• Mechanical quality factor QMS 7.57
• Electrical quality factor QES 0.47
• Total quality factor QTS 0.44

Large signal parameters

• Maximum linear excursion xmax 13mm
• Air volume displaced at xmax VD 676cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz, estimated) LE 2.4mH

Magnet

• Force factor Bl 14.6N/A
• Motor constant Bl/√RE 7.73N/√W
• Diameter 140mm

Diaphragm

• Effective diameter 257mm
• Effective area SD 520cm²
• Moving mass MMS 169g
• Moving mass (without air load) MMD 160g

Suspensions

• Stiffness KMS 4.76N/mm
• Compliance CMS 210µm/N
• Equivalent volume to the compliance VAS 80.5L
• Mechanical resistance RMS 3.74N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 318mm
• Baffle cutout diameter 281mm
• Mounting depth 169mm
• Volume occupied by the driver 2.01L
• Net weight 6.58kg