Fi Car Audio OMEGA 15 D1

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.9dB

Thiele & Small parameters

• Resonance frequency (free air) fS 37Hz
• Mechanical quality factor QMS 7.11
• Electrical quality factor QES 0.25
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 34mm
• Air volume displaced at xmax VD 2754cm³
• Power handling P 4500W
• Program power Pmax 9000W

Voice Coil

• Nominal impedance Z 2 x 1Ω
• DC resistance (in series) RE 1.4Ω
• Inductance (1kHz, in series, estimated) LE 1.77mH

Magnet

• Force factor (in series) Bl 23.6N/A
• Motor constant Bl/√RE 19.9N/√W

Diaphragm

• Effective diameter 321mm
• Effective area SD 810cm²
• Moving mass MMS 434g
• Moving mass (without air load) MMD 417g

Suspensions

• Stiffness KMS 23.8N/mm
• Compliance CMS 42µm/N
• Equivalent volume to the compliance VAS 39.1L
• Mechanical resistance RMS 14.2N·s/m

Dimensions

• Nominal diameter 15″
• 397mm
• Overall diameter 397mm
• Baffle cutout diameter 359mm
• Mounting depth 292mm
• Volume occupied by the driver 7.08L