DB Drive WDX8G2.4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 45.5Hz
• Mechanical quality factor QMS 5.62
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.45

Large signal parameters

• Maximum linear excursion xmax 13mm
• Air volume displaced at xmax VD 261cm³
• Power handling P 750W
• Program power Pmax 1500W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 8.0Ω
• Inductance (1kHz, in series, estimated) LE 5.26mH
• VC Diameter 63.5mm
• Former material Anodized aluminum

Magnet

• Force factor (in series) Bl 39N/A
• Motor constant Bl/√RE 9.75N/√W

Diaphragm

• Effective diameter 160mm
• Effective area SD 201cm²
• Moving mass MMS 163g
• Moving mass (without air load) MMD 160g
• Material Non-Pressed paper

Suspensions

• Stiffness KMS 13.3N/mm
• Compliance CMS 75µm/N
• Equivalent volume to the compliance VAS 4.3L
• Mechanical resistance RMS 8.27N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 8″
• 203mm
• Overall diameter 223mm
• Baffle cutout diameter 186mm
• Mounting depth 160mm
• Volume occupied by the driver (estimated) 1.1L
• Frame material Aluminium