ESX QXE15D2

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

Thiele & Small parameters

• Resonance frequency (free air) fS 32Hz
• Mechanical quality factor QMS 5.68
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 14mm
• Maximum excursion before damage xlim 22mm
• Air volume displaced at xmax VD 1148cm³
• Power handling P 1500W
• Program power Pmax 3000W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.8Ω
• Inductance (1kHz, in series) LE 2.68mH
• VC Diameter 76mm
• Winding height HVC 40mm
• Former material BASV

Magnet

• Force factor (in series) Bl 25.7N/A
• Motor constant Bl/√RE 13.2N/√W
• Diameter 190mm
• Height 50mm
• Weight 5.67kg

Diaphragm

• Effective diameter 323mm
• Effective area SD 820cm²
• Moving mass MMS 359g
• Moving mass (without air load) MMD 342g
• Material Non-pressed Paper

Suspensions

• Stiffness KMS 15.2N/mm
• Compliance CMS 66µm/N
• Equivalent volume to the compliance VAS 63.3L
• Mechanical resistance RMS 12.7N·s/m
• Surround material Foam
• Spider material Dual Nomex

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 395mm
• Baffle cutout diameter 350mm
• Mounting depth 205mm
• Volume occupied by the driver (estimated) 7.5L
• Net weight 16.2kg
• Frame material Diecast Aluminium