DB Drive WDX12 3K

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 305 mm
Resonance50.9 Hz
Q factor0.77
Sensitivity84.7 dB
Linear excursion± 13.5 mm
Program Power3000 W
Discontinued
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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 84.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 50.9Hz
  • Mechanical quality factor QMS 7.79
  • Electrical quality factor QES 0.86
  • Total quality factor QTS 0.77

Large signal parameters

  • Maximum linear excursion xmax 13.5mm
  • Air volume displaced at xmax VD 663cm³
  • Power handling P 1500W
  • Program power Pmax 3000W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.4Ω
  • Inductance (1kHz, in series) LE 4.07mH

Magnet

  • Force factor (in series) Bl 28.9N/A
  • Motor constant Bl/√RE 11.4N/√W

Diaphragm

  • Effective diameter 250mm
  • Effective area SD 491cm²
  • Moving mass MMS 349g
  • Moving mass (without air load) MMD 341g

Suspensions

  • Stiffness KMS 33.3N/mm
  • Compliance CMS 30µm/N
  • Equivalent volume to the compliance VAS 10.3L
  • Mechanical resistance RMS 14.3N·s/m

Dimensions

  • Nominal diameter 12
  • 305mm
  • Volume occupied by the driver (estimated) 2.4L


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