DB Drive WDX6.5G2.4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 79.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 52.4Hz
• Mechanical quality factor QMS 4.33
• Electrical quality factor QES 0.71
• Total quality factor QTS 0.61

Large signal parameters

• Maximum linear excursion xmax 15mm
• Air volume displaced at xmax VD 213cm³
• Power handling P 750W
• Program power Pmax 1500W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.4Ω
• Inductance (1kHz, in series, estimated) LE 2.92mH
• VC Diameter 50.8mm
• Former material Anodized aluminum

Magnet

• Force factor (in series) Bl 16.7N/A
• Motor constant Bl/√RE 6.6N/√W

Diaphragm

• Effective diameter 134mm
• Effective area SD 142cm²
• Moving mass MMS 94.2g
• Moving mass (without air load) MMD 92.9g
• Material Non-Pressed paper

Suspensions

• Stiffness KMS 10.2N/mm
• Compliance CMS 98µm/N
• Equivalent volume to the compliance VAS 2.8L
• Mechanical resistance RMS 7.16N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 183mm
• Baffle cutout diameter 152mm
• Mounting depth 132mm
• Volume occupied by the driver (estimated) 0.65L
• Frame material Aluminium