JL Audio 13TW5v2-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 27.6Hz
• Mechanical quality factor QMS 10.69
• Electrical quality factor QES 0.55
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 11mm
• Air volume displaced at xmax VD 697cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz, estimated) LE 3.57mH

Magnet

• Force factor Bl 18.6N/A
• Motor constant Bl/√RE 9.92N/√W
• Diameter 171mm

Diaphragm

• Effective diameter 284mm
• Effective area SD 634cm²
• Moving mass MMS 314g
• Moving mass (without air load) MMD 303g

Suspensions

• Stiffness KMS 9.43N/mm
• Compliance CMS 106µm/N
• Equivalent volume to the compliance VAS 60.3L
• Mechanical resistance RMS 5.09N·s/m

Dimensions

• Nominal diameter 13.5″
• 345mm
• Overall diameter 330mm
• Baffle cutout diameter 318mm
• Mounting depth 67mm
• Volume occupied by the driver 1.47L
• Net weight 9.3kg