DB Drive WDX12 5K

2x4Ω

Subwoofer

Nominal diameter12″ / 305 mm
Resonance56.6 Hz
Q factor0.65
Sensitivity87.4 dB
Linear excursion± 16.5 mm
Program Power5000 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 87.4dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 56.6Hz
  • Mechanical quality factor QMS 8.23
  • Electrical quality factor QES 0.71
  • Total quality factor QTS 0.65

Large signal parameters

  • Maximum linear excursion xmax 16.5mm
  • Air volume displaced at xmax VD 847cm³
  • Power handling P 2500W
  • Program power Pmax 5000W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.4Ω
  • Inductance (1kHz, in series) LE 3.53mH

Magnet

  • Force factor (in series) Bl 28.8N/A
  • Motor constant Bl/√RE 11.4N/√W

Diaphragm

  • Effective diameter 256mm
  • Effective area SD 513cm²
  • Moving mass MMS 259g
  • Moving mass (without air load) MMD 250g

Suspensions

  • Stiffness KMS 33.3N/mm
  • Compliance CMS 30µm/N
  • Equivalent volume to the compliance VAS 11.2L
  • Mechanical resistance RMS 11.2N·s/m

Dimensions

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


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