JL Audio 13W1v2-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.6dB

Thiele & Small parameters

• Resonance frequency (free air) fS 20.9Hz
• Mechanical quality factor QMS 6.94
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion xmax 12mm
• Air volume displaced at xmax VD 818cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 4.1Ω
• Inductance (1kHz, estimated) LE 3.31mH

Magnet

• Force factor Bl 17.1N/A
• Motor constant Bl/√RE 8.43N/√W
• Diameter 134mm

Diaphragm

• Effective diameter 295mm
• Effective area SD 682cm²
• Moving mass MMS 221g
• Moving mass (without air load) MMD 208g

Suspensions

• Stiffness KMS 3.8N/mm
• Compliance CMS 263µm/N
• Equivalent volume to the compliance VAS 174L
• Mechanical resistance RMS 4.17N·s/m

Dimensions

• Nominal diameter 13.5″
• 345mm
• Overall diameter 356mm
• Baffle cutout diameter 319mm
• Mounting depth 150mm
• Volume occupied by the driver 1.42L
• Net weight 5.08kg