Skar Audio VD-8 D2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 45.1Hz
• Mechanical quality factor QMS 4.24
• Electrical quality factor QES 0.56
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 10.3mm
• Air volume displaced at xmax VD 390cm³
• Power handling P 400W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.6Ω
• Inductance (1kHz, in series, estimated) LE 3.65mH
• VC Diameter 50.8mm
• Winding material Copper

Magnet

• Force factor (in series) Bl 23.4N/A
• Motor constant Bl/√RE 12.3N/√W
• Diameter 133mm

Diaphragm

• Effective diameter 220mm
• Effective area SD 380cm²
• Moving mass MMS 311g
• Moving mass (without air load) MMD 307g
• Material Pressed Paper

Suspensions

• Stiffness KMS 25N/mm
• Compliance CMS 40µm/N
• Equivalent volume to the compliance VAS 8.2L
• Mechanical resistance RMS 20.8N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 8″
• 216mm
• Overall diameter 216mm
• Baffle cutout diameter 187mm
• Overall depth 126mm
• Flange thickness 24mm
• Mounting depth 102mm
• Volume occupied by the driver (estimated) 1.2L