DB Drive WDX12G5.2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 39Hz
• Mechanical quality factor QMS 4.17
• Electrical quality factor QES 0.61
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 25mm
• Air volume displaced at xmax VD 1334cm³
• Power handling P 3000W
• Program power Pmax 6000W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 4.0Ω
• Inductance (1kHz, in series, estimated) LE 4.1mH
• VC Diameter 76.2mm
• Former material Anodized aluminum

Magnet

• Force factor (in series) Bl 22.6N/A
• Motor constant Bl/√RE 11.3N/√W

Diaphragm

• Effective diameter 261mm
• Effective area SD 534cm²
• Moving mass MMS 317g
• Moving mass (without air load) MMD 308g
• Material Non-Pressed paper

Suspensions

• Stiffness KMS 19.2N/mm
• Compliance CMS 52µm/N
• Equivalent volume to the compliance VAS 21L
• Mechanical resistance RMS 18.7N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 12″
• 304mm
• Overall diameter 329mm
• Baffle cutout diameter 284mm
• Mounting depth 204mm
• Volume occupied by the driver (estimated) 3L
• Frame material Aluminium