DB Drive WDX12G5.4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.9dB

Thiele & Small parameters

• Resonance frequency (free air) fS 39.9Hz
• Mechanical quality factor QMS 4.09
• Electrical quality factor QES 0.59
• Total quality factor QTS 0.52

Large signal parameters

• Maximum linear excursion xmax 25mm
• Air volume displaced at xmax VD 1333cm³
• Power handling P 3000W
• Program power Pmax 6000W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.4Ω
• Inductance (1kHz, in series, estimated) LE 6.06mH
• VC Diameter 76.2mm
• Former material Anodized aluminum

Magnet

• Force factor (in series) Bl 27.6N/A
• Motor constant Bl/√RE 10.9N/√W

Diaphragm

• Effective diameter 261mm
• Effective area SD 533cm²
• Moving mass MMS 281g
• Moving mass (without air load) MMD 272g
• Material Non-Pressed paper

Suspensions

• Stiffness KMS 17.9N/mm
• Compliance CMS 56µm/N
• Equivalent volume to the compliance VAS 22.6L
• Mechanical resistance RMS 17.3N·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