Skar Audio ZVX-18v2 D2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.6dB

Thiele & Small parameters

• Resonance frequency (free air) fS 26.8Hz
• Mechanical quality factor QMS 5.40
• Electrical quality factor QES 0.57
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 29mm
• Air volume displaced at xmax VD 3376cm³
• Power handling P 1600W
• Program power Pmax 3200W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 2.9Ω
• Inductance (1kHz, in series, estimated) LE 3.97mH
• VC Diameter 76.2mm
• Winding material Copper-clad aluminium

Magnet

• Force factor (in series) Bl 20.6N/A
• Motor constant Bl/√RE 12.1N/√W
• Diameter 199mm

Diaphragm

• Effective diameter 385mm
• Effective area SD 1164cm²
• Moving mass MMS 489g
• Moving mass (without air load) MMD 460g
• Material Pressed Paper

Suspensions

• Stiffness KMS 14.1N/mm
• Compliance CMS 71µm/N
• Equivalent volume to the compliance VAS 136L
• Mechanical resistance RMS 15.3N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 18″
• 470mm
• Overall diameter 470mm
• Baffle cutout diameter 428mm
• Overall depth 311mm
• Flange thickness 39mm
• Mounting depth 272mm
• Volume occupied by the driver (estimated) 12L