DB Drive WDX12G5R.2

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 329 mm
Resonance30.2 Hz
Q factor0.48
Sensitivity82.3 dB
Program Power6000 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 82.3dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 30.2Hz
  • Mechanical quality factor QMS 3.32
  • Electrical quality factor QES 0.56
  • Total quality factor QTS 0.48

Large signal parameters

  • Power handling P 3000W
  • Program power Pmax 6000W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 4.0Ω
  • Inductance (1kHz, in series, estimated) LE 5.65mH
  • VC Diameter 76.2mm

Magnet

  • Force factor (in series) Bl 26.4N/A
  • Motor constant Bl/√RE 13.2N/√W

Diaphragm

  • Effective diameter 257mm
  • Effective area SD 519cm²
  • Moving mass MMS 512g
  • Moving mass (without air load) MMD 503g
  • Material Non-Pressed paper

Suspensions

  • Stiffness KMS 18.5N/mm
  • Compliance CMS 54.1µm/N
  • Equivalent volume to the compliance VAS 20.7L
  • Mechanical resistance RMS 29.3N·s/m
  • Surround material Double-stitched reinforced foam
  • Spider material Dual poly-cotton

Dimensions

  • Nominal diameter 12
  • 329mm
  • Overall diameter 329mm
  • Baffle cutout diameter 284mm
  • Mounting depth 203mm
  • Volume occupied by the driver (estimated) 3L
  • Frame material Die-cast Aluminium vented basket

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