JL Audio 12W6v2-D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.9dB

Thiele & Small parameters

• Resonance frequency (free air) fS 25Hz
• Mechanical quality factor QMS 7.10
• Electrical quality factor QES 0.48
• Total quality factor QTS 0.45

Large signal parameters

• Maximum linear excursion xmax 17mm
• Air volume displaced at xmax VD 853cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.8Ω
• Inductance (1kHz, in series, estimated) LE 4.76mH

Magnet

• Force factor (in series) Bl 20N/A
• Motor constant Bl/√RE 7.7N/√W
• Diameter 169mm

Diaphragm

• Effective diameter 253mm
• Effective area SD 502cm²
• Moving mass MMS 181g
• Moving mass (without air load) MMD 173g

Suspensions

• Stiffness KMS 4.46N/mm
• Compliance CMS 224µm/N
• Equivalent volume to the compliance VAS 79.9L
• Mechanical resistance RMS 4N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 318mm
• Baffle cutout diameter 279mm
• Mounting depth 193mm
• Volume occupied by the driver 2.5L
• Net weight 8.8kg