DB Drive WDX8G2F-4

F 2x4Ω

Subwoofer

Nominal diameter	8″ / 203 mm
Resonance	40.1 Hz
Q factor	0.49
Sensitivity	81.7 dB
Linear excursion	± 12 mm
Program Power	700 W

DB Drive WDX8G2F-4 Subwoofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 81.7dB

Thiele & Small parameters

Resonance frequency (free air) fS 40.1Hz
Mechanical quality factor QMS 3.05
Electrical quality factor QES 0.59
Total quality factor QTS 0.49

Large signal parameters

Maximum linear excursion xmax 12mm
Air volume displaced at xmax VD 241cm³
Power handling P 350W
Program power Pmax 700W

Voice Coil

Nominal impedance Z 2 x 4Ω
DC resistance (in series) RE 6.2Ω
Inductance (1kHz, in series, estimated) LE 2.99mH
VC Diameter 50.8mm
Former material Black Aluminum

Magnet

Force factor (in series) Bl 16.4N/A
Motor constant Bl/√RE 6.58N/√W

Diaphragm

Effective diameter 160mm
Effective area SD 201cm²
Moving mass MMS 102g
Moving mass (without air load) MMD 99.7g
Material Non-Pressed paper

Suspensions

Stiffness KMS 6.45N/mm
Compliance CMS 155µm/N
Equivalent volume to the compliance VAS 8.88L
Mechanical resistance RMS 8.43N·s/m
Surround material Foam

Dimensions

Nominal diameter 8″
203mm
Overall diameter 223mm
Baffle cutout diameter 186mm
Mounting depth 114mm
Volume occupied by the driver (estimated) 1.1L
Frame material Aluminium

Export this driver to a simulation software:

Closed Box Simulator·

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