Fi Car Audio SSD NEO 15 D1

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.4dB

Thiele & Small parameters

• Resonance frequency (free air) fS 37.5Hz
• Mechanical quality factor QMS 7.06
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 28mm
• Air volume displaced at xmax VD 2268cm³
• Power handling P 1750W
• Program power Pmax 3500W

Voice Coil

• Nominal impedance Z 2 x 1Ω
• DC resistance (in series) RE 1.4Ω
• Inductance (1kHz, in series, estimated) LE 1.26mH

Magnet

• Force factor (in series) Bl 13N/A
• Motor constant Bl/√RE 11N/√W

Diaphragm

• Effective diameter 321mm
• Effective area SD 810cm²
• Moving mass MMS 261g
• Moving mass (without air load) MMD 244g

Suspensions

• Stiffness KMS 14.7N/mm
• Compliance CMS 68µm/N
• Equivalent volume to the compliance VAS 63.3L
• Mechanical resistance RMS 8.71N·s/m

Dimensions

• Nominal diameter 15″
• 397mm
• Overall diameter 397mm
• Baffle cutout diameter 359mm
• Mounting depth 203mm
• Volume occupied by the driver 4.81L