DB Drive WDX10G2R.4

2x2Ω
2x4Ω

Subwoofer

Nominal diameter10″ / 279 mm
Resonance32.5 Hz
Q factor0.77
Sensitivity80.7 dB
Linear excursion± 20 mm
Program Power2200 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 80.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 32.5Hz
  • Mechanical quality factor QMS 3.73
  • Electrical quality factor QES 0.97
  • Total quality factor QTS 0.77

Large signal parameters

  • Maximum linear excursion (one way) xmax 20mm
  • Air volume displaced at xmax VD 713cm³
  • Power handling P 1100W
  • Program power Pmax 2200W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.4Ω
  • Inductance (1kHz, in series, estimated) LE 5.66mH
  • VC Diameter 76.2mm

Magnet

  • Force factor (in series) Bl 18.6N/A
  • Motor constant Bl/√RE 7.33N/√W

Diaphragm

  • Effective diameter 213mm
  • Effective area SD 357cm²
  • Moving mass MMS 254g
  • Moving mass (without air load) MMD 249g
  • Material Non-Pressed paper

Suspensions

  • Stiffness KMS 10.6N/mm
  • Compliance CMS 94.1µm/N
  • Equivalent volume to the compliance VAS 17L
  • Mechanical resistance RMS 13.9N·s/m
  • Surround material Reinforced foam
  • Spider material Poly-cotton

Dimensions

  • Nominal diameter 10
  • 279mm
  • Overall diameter 279mm
  • Baffle cutout diameter 241mm
  • Mounting depth 173mm
  • Volume occupied by the driver (estimated) 1.9L
  • Frame material Die-cast Aluminium

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