DB Drive WDX15G5.2

2x2Ω
2x4Ω

Subwoofer

Nominal diameter15″ / 380 mm
Resonance37.9 Hz
Q factor0.57
Sensitivity87.7 dB
Linear excursion± 25 mm
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 87.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 37.9Hz
  • Mechanical quality factor QMS 4.18
  • Electrical quality factor QES 0.66
  • Total quality factor QTS 0.57

Large signal parameters

  • Maximum linear excursion xmax 25mm
  • Air volume displaced at xmax VD 2084cm³
  • 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 4.69mH
  • VC Diameter 76.2mm
  • Former material Anodized aluminum

Magnet

  • Force factor (in series) Bl 23.7N/A
  • Motor constant Bl/√RE 11.8N/√W

Diaphragm

  • Effective diameter 326mm
  • Effective area SD 834cm²
  • Moving mass MMS 388g
  • Moving mass (without air load) MMD 371g
  • Material Non-Pressed paper

Suspensions

  • Stiffness KMS 22.2N/mm
  • Compliance CMS 45µm/N
  • Equivalent volume to the compliance VAS 44.4L
  • Mechanical resistance RMS 22.1N·s/m
  • Surround material Foam

Dimensions

  • Nominal diameter 15
  • 380mm
  • Overall diameter 399mm
  • Baffle cutout diameter 349mm
  • Mounting depth 213mm
  • Volume occupied by the driver (estimated) 4.9L
  • Frame material Aluminium


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