ESX VX15PRO

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 3.26
• Electrical quality factor QES 0.65
• Total quality factor QTS 0.54

Large signal parameters

• Maximum linear excursion xmax 23mm
• Maximum excursion before damage xlim 30mm
• Air volume displaced at xmax VD 1863cm³
• Power handling P 3500W
• Program power Pmax 7000W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 4.0Ω
• Inductance (1kHz, in series) LE 2.15mH
• VC Diameter 100mm
• Winding height HVC 57.5mm
• Former material BASV

Magnet

• Force factor (in series) Bl 22.5N/A
• Motor constant Bl/√RE 11.3N/√W
• Diameter 220mm
• Height 60mm
• Weight 8.505kg

Diaphragm

• Effective diameter 321mm
• Effective area SD 810cm²
• Moving mass MMS 396g
• Moving mass (without air load) MMD 379g
• Material Carbon Composite

Suspensions

• Stiffness KMS 17.2N/mm
• Compliance CMS 58µm/N
• Equivalent volume to the compliance VAS 54L
• Mechanical resistance RMS 25.2N·s/m
• Surround material Foam
• Spider material Triple Nomex

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 392mm
• Baffle cutout diameter 358mm
• Mounting depth 251mm
• Volume occupied by the driver (estimated) 12L
• Net weight 24.2kg
• Frame material Diecast Aluminium