DB Drive WDX8G5.2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 78.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 34.1Hz
• Mechanical quality factor QMS 3.19
• Electrical quality factor QES 0.62
• Total quality factor QTS 0.52

Large signal parameters

• Maximum linear excursion xmax 22.5mm
• Air volume displaced at xmax VD 452cm³
• Power handling P 900W
• Program power Pmax 1800W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 6.4Ω
• Inductance (1kHz, in series, estimated) LE 4.32mH
• VC Diameter 63.5mm
• Former material Anodized aluminum

Magnet

• Force factor (in series) Bl 19.4N/A
• Motor constant Bl/√RE 7.68N/√W

Diaphragm

• Effective diameter 160mm
• Effective area SD 201cm²
• Moving mass MMS 169g
• Moving mass (without air load) MMD 167g
• Material Non-Pressed paper

Suspensions

• Stiffness KMS 7.75N/mm
• Compliance CMS 129µm/N
• Equivalent volume to the compliance VAS 7.38L
• Mechanical resistance RMS 11.4N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 8″
• 203mm
• Overall diameter 223mm
• Baffle cutout diameter 186mm
• Mounting depth 161mm
• Volume occupied by the driver (estimated) 1.1L
• Frame material Aluminium