Fi Car Audio Q15 NEO D1

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89dB

Thiele & Small parameters

• Resonance frequency (free air) fS 30.7Hz
• Mechanical quality factor QMS 8.38
• Electrical quality factor QES 0.46
• Total quality factor QTS 0.44

Large signal parameters

• Maximum linear excursion xmax 34mm
• Air volume displaced at xmax VD 2754cm³
• Power handling P 1750W
• Program power Pmax 3500W

Voice Coil

• Nominal impedance Z 2 x 1Ω
• DC resistance (in series) RE 1.8Ω
• Inductance (1kHz, in series, estimated) LE 1.83mH

Magnet

• Force factor (in series) Bl 15.3N/A
• Motor constant Bl/√RE 11.4N/√W

Diaphragm

• Effective diameter 321mm
• Effective area SD 810cm²
• Moving mass MMS 313g
• Moving mass (without air load) MMD 296g

Suspensions

• Stiffness KMS 12N/mm
• Compliance CMS 83.6µm/N
• Equivalent volume to the compliance VAS 76.8L
• Mechanical resistance RMS 7.2N·s/m

Dimensions

• Nominal diameter 15″
• 397mm
• Overall diameter 397mm
• Baffle cutout diameter 359mm
• Mounting depth 286mm
• Volume occupied by the driver 5.38L