JL Audio 12W7AE-3

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 27.2Hz
• Mechanical quality factor QMS 7.81
• Electrical quality factor QES 0.51
• Total quality factor QTS 0.48

Large signal parameters

• Maximum linear excursion xmax 29mm
• Air volume displaced at xmax VD 1572cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 3Ω
• DC resistance RE 2.5Ω
• Inductance (1kHz, estimated) LE 0.91mH

Magnet

• Force factor Bl 13.3N/A
• Motor constant Bl/√RE 8.46N/√W
• Diameter 191mm

Diaphragm

• Effective diameter 263mm
• Effective area SD 542cm²
• Moving mass MMS 217g
• Moving mass (without air load) MMD 208g

Suspensions

• Stiffness KMS 6.33N/mm
• Compliance CMS 158µm/N
• Equivalent volume to the compliance VAS 66L
• Mechanical resistance RMS 4.74N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 318mm
• Baffle cutout diameter 267mm
• Mounting depth 241mm
• Volume occupied by the driver 4L
• Net weight 20.4kg