Skar Audio IVX-15v2 D2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.3dB
• Frequency response 30 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 31Hz
• Mechanical quality factor QMS 3.40
• Electrical quality factor QES 0.46
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 11mm
• Air volume displaced at xmax VD 829cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 4.1Ω
• Inductance (1kHz, in series, estimated) LE 2.83mH
• VC Diameter 51mm

Magnet

• Force factor (in series) Bl 17.1N/A
• Motor constant Bl/√RE 8.45N/√W
• Diameter 160mm

Diaphragm

• Effective diameter 310mm
• Effective area SD 754cm²
• Moving mass MMS 175g
• Moving mass (without air load) MMD 160g

Suspensions

• Stiffness KMS 6.67N/mm
• Compliance CMS 150µm/N
• Equivalent volume to the compliance VAS 121L
• Mechanical resistance RMS 10N·s/m

Dimensions

• Nominal diameter 15″
• 381mm
• Baffle cutout diameter 356mm
• Mounting depth 170mm
• Volume occupied by the driver 3.7L