DB Drive WDX12 5K

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.4dB

Thiele & Small parameters

• Resonance frequency (free air) fS 56.6Hz
• Mechanical quality factor QMS 8.23
• Electrical quality factor QES 0.71
• Total quality factor QTS 0.65

Large signal parameters

• Maximum linear excursion xmax 16.5mm
• Air volume displaced at xmax VD 847cm³
• Power handling P 2500W
• Program power Pmax 5000W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.4Ω
• Inductance (1kHz, in series) LE 3.53mH

Magnet

• Force factor (in series) Bl 28.8N/A
• Motor constant Bl/√RE 11.4N/√W

Diaphragm

• Effective diameter 256mm
• Effective area SD 513cm²
• Moving mass MMS 259g
• Moving mass (without air load) MMD 250g

Suspensions

• Stiffness KMS 33.3N/mm
• Compliance CMS 30µm/N
• Equivalent volume to the compliance VAS 11.2L
• Mechanical resistance RMS 11.2N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Volume occupied by the driver (estimated) 2.4L