Skar Audio MA-8 D2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.6dB
• Frequency response 50 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 63Hz
• Mechanical quality factor QMS 5.30
• Electrical quality factor QES 0.65
• Total quality factor QTS 0.58

Large signal parameters

• Maximum linear excursion xmax 12.5mm
• Air volume displaced at xmax VD 329cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.9Ω
• Inductance (1kHz, in series, estimated) LE 1.93mH
• VC Diameter 51mm

Magnet

• Force factor (in series) Bl 15.7N/A
• Motor constant Bl/√RE 7.95N/√W
• Diameter 160mm

Diaphragm

• Effective diameter 183mm
• Effective area SD 263cm²
• Moving mass MMS 106g
• Moving mass (without air load) MMD 104g

Suspensions

• Stiffness KMS 16.7N/mm
• Compliance CMS 60µm/N
• Equivalent volume to the compliance VAS 5.9L
• Mechanical resistance RMS 7.95N·s/m

Dimensions

• Nominal diameter 8″
• 203mm
• Baffle cutout diameter 188mm
• Mounting depth 145mm
• Volume occupied by the driver 2.8L