DB Drive WDX15G2.4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 37.4Hz
• Mechanical quality factor QMS 4.10
• Electrical quality factor QES 0.55
• Total quality factor QTS 0.62

Large signal parameters

• Maximum linear excursion xmax 20mm
• Air volume displaced at xmax VD 1653cm³
• Power handling P 1250W
• Program power Pmax 2500W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 9.6Ω
• Inductance (1kHz, in series, estimated) LE 10.5mH
• VC Diameter 76.2mm
• Former material Anodized aluminum

Magnet

• Force factor (in series) Bl 53.8N/A
• Motor constant Bl/√RE 12.3N/√W

Diaphragm

• Effective diameter 324mm
• Effective area SD 827cm²
• Moving mass MMS 351g
• Moving mass (without air load) MMD 334g
• Material Non-Pressed paper

Suspensions

• Stiffness KMS 19.6N/mm
• Compliance CMS 51µm/N
• Equivalent volume to the compliance VAS 49.4L
• Mechanical resistance RMS 20.2N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 399mm
• Baffle cutout diameter 355mm
• Mounting depth 216mm
• Volume occupied by the driver (estimated) 4.9L
• Frame material Aluminium