Skar Audio EVL-8 D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 65.2Hz
• Mechanical quality factor QMS 5.47
• Electrical quality factor QES 0.66
• Total quality factor QTS 0.59

Large signal parameters

• Maximum linear excursion xmax 14mm
• Air volume displaced at xmax VD 264cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.8Ω
• Inductance (1kHz, in series, estimated) LE 3.92mH
• VC Diameter 63.5mm
• Winding material Copper

Magnet

• Force factor (in series) Bl 23.6N/A
• Motor constant Bl/√RE 9.06N/√W
• Diameter 154mm

Diaphragm

• Effective diameter 155mm
• Effective area SD 189cm²
• Moving mass MMS 133g
• Moving mass (without air load) MMD 131g
• Material Pressed Paper

Suspensions

• Stiffness KMS 10.8N/mm
• Compliance CMS 93µm/N
• Equivalent volume to the compliance VAS 4.7L
• Mechanical resistance RMS 9.98N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 8″
• 220mm
• Overall diameter 220mm
• Baffle cutout diameter 192mm
• Overall depth 183mm
• Flange thickness 30mm
• Mounting depth 153mm
• Volume occupied by the driver (estimated) 2.1L