DB Drive WDX12G2.4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 41.5Hz
• Mechanical quality factor QMS 3.96
• Electrical quality factor QES 0.55
• Total quality factor QTS 0.48

Large signal parameters

• Maximum linear excursion xmax 20mm
• Air volume displaced at xmax VD 1058cm³
• Power handling P 1250W
• Program power Pmax 2500W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.4Ω
• Inductance (1kHz, in series, estimated) LE 2.6mH

Magnet

• Force factor (in series) Bl 27.7N/A
• Motor constant Bl/√RE 10.9N/√W

Diaphragm

• Effective diameter 259mm
• Effective area SD 529cm²
• Moving mass MMS 252g
• Moving mass (without air load) MMD 243g

Suspensions

• Stiffness KMS 17.2N/mm
• Compliance CMS 58µm/N
• Equivalent volume to the compliance VAS 23L
• Mechanical resistance RMS 16.6N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 329mm
• Baffle cutout diameter 288mm
• Mounting depth 171mm
• Volume occupied by the driver (estimated) 3L