Skar Audio VVX-15v2 D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.6dB
• Frequency response 25 - 350Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40.9Hz
• Mechanical quality factor QMS 4.27
• Electrical quality factor QES 0.57
• Total quality factor QTS 0.62

Large signal parameters

• Maximum linear excursion xmax 18mm
• Air volume displaced at xmax VD 1849cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.4Ω
• Inductance (1kHz, in series, estimated) LE 6.46mH
• VC Diameter 64mm

Magnet

• Force factor (in series) Bl 47N/A
• Motor constant Bl/√RE 13.1N/√W
• Diameter 165mm

Diaphragm

• Effective diameter 362mm
• Effective area SD 1027cm²
• Moving mass MMS 310g
• Moving mass (without air load) MMD 290g

Suspensions

• Stiffness KMS 20N/mm
• Compliance CMS 50µm/N
• Equivalent volume to the compliance VAS 74.8L
• Mechanical resistance RMS 18.7N·s/m

Dimensions

• Nominal diameter 15″
• 381mm
• Baffle cutout diameter 351mm
• Mounting depth 224mm
• Volume occupied by the driver 5.1L