Fi Car Audio SSD NEO 12 D2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 39.1Hz
• Mechanical quality factor QMS 6.21
• Electrical quality factor QES 0.46
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 28mm
• Air volume displaced at xmax VD 1344cm³
• Power handling P 1750W
• Program power Pmax 3500W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 2.8Ω
• Inductance (1kHz, in series, estimated) LE 1.05mH

Magnet

• Force factor (in series) Bl 18.3N/A
• Motor constant Bl/√RE 10.9N/√W

Diaphragm

• Effective diameter 247mm
• Effective area SD 480cm²
• Moving mass MMS 221g
• Moving mass (without air load) MMD 213g

Suspensions

• Stiffness KMS 13.3N/mm
• Compliance CMS 75µm/N
• Equivalent volume to the compliance VAS 24.4L
• Mechanical resistance RMS 8.74N·s/m

Dimensions

• Nominal diameter 12″
• 318mm
• Overall diameter 318mm
• Baffle cutout diameter 283mm
• Mounting depth 191mm
• Volume occupied by the driver 3.96L