Skar Audio EVL-15 D2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 4.60
• Electrical quality factor QES 0.73
• Total quality factor QTS 0.63

Large signal parameters

• Maximum linear excursion xmax 23.5mm
• Air volume displaced at xmax VD 1831cm³
• Power handling P 1250W
• Program power Pmax 2500W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.8Ω
• Inductance (1kHz, in series, estimated) LE 4.45mH
• VC Diameter 76.2mm
• Winding material Copper-clad aluminium

Magnet

• Force factor (in series) Bl 21N/A
• Motor constant Bl/√RE 10.8N/√W
• Diameter 180mm

Diaphragm

• Effective diameter 315mm
• Effective area SD 779cm²
• Moving mass MMS 387g
• Moving mass (without air load) MMD 371g
• Material Pressed Paper

Suspensions

• Stiffness KMS 18.9N/mm
• Compliance CMS 53µm/N
• Equivalent volume to the compliance VAS 46L
• Mechanical resistance RMS 18.5N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 15″
• 381mm
• Baffle cutout diameter 356mm
• Overall depth 249mm
• Flange thickness 32mm
• Mounting depth 217mm
• Volume occupied by the driver (estimated) 9.8L