Skar Audio VXF-15 D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 35.4Hz
• Mechanical quality factor QMS 4.78
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 30mm
• Air volume displaced at xmax VD 2338cm³
• Power handling P 1500W
• Program power Pmax 3000W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 7.7Ω
• Inductance (1kHz, in series, estimated) LE 8.97mH
• VC Diameter 76.2mm
• Winding material Copper

Magnet

• Force factor (in series) Bl 39.1N/A
• Motor constant Bl/√RE 14.1N/√W
• Diameter 218mm

Diaphragm

• Effective diameter 315mm
• Effective area SD 779cm²
• Moving mass MMS 384g
• Moving mass (without air load) MMD 369g
• Material Pressed Paper

Suspensions

• Stiffness KMS 18.2N/mm
• Compliance CMS 55µm/N
• Equivalent volume to the compliance VAS 47.7L
• Mechanical resistance RMS 17.9N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 15″
• 381mm
• Baffle cutout diameter 352mm
• Overall depth 283mm
• Flange thickness 35mm
• Mounting depth 248mm
• Volume occupied by the driver (estimated) 13L