JL Audio 12W6v3-D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 26.9Hz
• Mechanical quality factor QMS 9.37
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 19mm
• Air volume displaced at xmax VD 923cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.5Ω
• Inductance (1kHz, in series, estimated) LE 5.15mH

Magnet

• Force factor (in series) Bl 22.1N/A
• Motor constant Bl/√RE 8.67N/√W
• Diameter 178mm

Diaphragm

• Effective diameter 249mm
• Effective area SD 486cm²
• Moving mass MMS 216g
• Moving mass (without air load) MMD 208g

Suspensions

• Stiffness KMS 6.17N/mm
• Compliance CMS 162µm/N
• Equivalent volume to the compliance VAS 54.4L
• Mechanical resistance RMS 3.9N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 318mm
• Baffle cutout diameter 280mm
• Mounting depth 191mm
• Volume occupied by the driver 2.97L
• Net weight 11.6kg