Skar Audio VVX-15v3 D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.8dB
• Frequency response 25 - 350Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33.3Hz
• Mechanical quality factor QMS 7.14
• Electrical quality factor QES 0.58
• Total quality factor QTS 0.54

Large signal parameters

• Maximum linear excursion xmax 15.5mm
• Air volume displaced at xmax VD 1071cm³
• 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 6.01mH
• VC Diameter 64mm

Magnet

• Force factor (in series) Bl 26.9N/A
• Motor constant Bl/√RE 10.6N/√W
• Diameter 181mm

Diaphragm

• Effective diameter 297mm
• Effective area SD 691cm²
• Moving mass MMS 278g
• Moving mass (without air load) MMD 264g

Suspensions

• Stiffness KMS 9.09N/mm
• Compliance CMS 110µm/N
• Equivalent volume to the compliance VAS 74.5L
• Mechanical resistance RMS 10N·s/m

Dimensions

• Nominal diameter 15″
• 381mm
• Baffle cutout diameter 349mm
• Mounting depth 205mm
• Volume occupied by the driver 5.1L