JL Audio 13W7-D1.5

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 23.5Hz
• Mechanical quality factor QMS 7.52
• Electrical quality factor QES 0.48
• Total quality factor QTS 0.45

Large signal parameters

• Maximum linear excursion xmax 32mm
• Air volume displaced at xmax VD 2218cm³
• Power handling P 1500W
• Program power Pmax 3000W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 2.4Ω
• Inductance (1kHz, in series, estimated) LE 2.38mH

Magnet

• Force factor (in series) Bl 15N/A
• Motor constant Bl/√RE 9.66N/√W
• Diameter 213mm

Diaphragm

• Effective diameter 297mm
• Effective area SD 693cm²
• Moving mass MMS 300g
• Moving mass (without air load) MMD 287g

Suspensions

• Stiffness KMS 6.54N/mm
• Compliance CMS 153µm/N
• Equivalent volume to the compliance VAS 104L
• Mechanical resistance RMS 5.89N·s/m

Dimensions

• Nominal diameter 13.5″
• 345mm
• Overall diameter 356mm
• Baffle cutout diameter 302mm
• Mounting depth 267mm
• Volume occupied by the driver 5.9L
• Net weight 23.6kg