Skar Audio VVX-8v3 D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.2dB
• Frequency response 55 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 43.5Hz
• Mechanical quality factor QMS 4.59
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.47

Large signal parameters

• Maximum linear excursion xmax 13mm
• Air volume displaced at xmax VD 251cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 7.8Ω
• Inductance (1kHz, in series, estimated) LE 4.38mH
• VC Diameter 51mm

Magnet

• Force factor (in series) Bl 32.4N/A
• Motor constant Bl/√RE 8.2N/√W
• Diameter 156mm

Diaphragm

• Effective diameter 157mm
• Effective area SD 193cm²
• Moving mass MMS 129g
• Moving mass (without air load) MMD 127g

Suspensions

• Stiffness KMS 10N/mm
• Compliance CMS 100µm/N
• Equivalent volume to the compliance VAS 5.3L
• Mechanical resistance RMS 7.65N·s/m

Dimensions

• Nominal diameter 8″
• 203mm
• Baffle cutout diameter 183mm
• Mounting depth 150mm
• Volume occupied by the driver 2.5L