Skar Audio IX-10 D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.6dB

Thiele & Small parameters

• Resonance frequency (free air) fS 37.4Hz
• Mechanical quality factor QMS 4.90
• Electrical quality factor QES 0.83
• Total quality factor QTS 0.71

Large signal parameters

• Maximum linear excursion xmax 7mm
• Air volume displaced at xmax VD 231cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 7.1Ω
• Inductance (1kHz, in series, estimated) LE 3.34mH
• VC Diameter 50.8mm
• Winding material Copper

Magnet

• Force factor (in series) Bl 14.1N/A
• Motor constant Bl/√RE 5.29N/√W
• Diameter 139mm

Diaphragm

• Effective diameter 205mm
• Effective area SD 330cm²
• Moving mass MMS 98.4g
• Moving mass (without air load) MMD 93.9g
• Material Pressed Paper

Suspensions

• Stiffness KMS 5.44N/mm
• Compliance CMS 184µm/N
• Equivalent volume to the compliance VAS 28.4L
• Mechanical resistance RMS 4.72N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 10″
• 261mm
• Overall diameter 261mm
• Baffle cutout diameter 233mm
• Overall depth 142mm
• Flange thickness 21mm
• Mounting depth 121mm
• Volume occupied by the driver (estimated) 1.9L