DB Drive X-W10D4

2x4Ω

Subwoofer

Nominal diameter10″ / 254 mm
Resonance32.3 Hz
Q factor0.45
Sensitivity84.5 dB
Linear excursion± 8.5 mm
Program Power600 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 84.5dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 32.3Hz
  • Mechanical quality factor QMS 4.70
  • Electrical quality factor QES 0.50
  • Total quality factor QTS 0.45

Large signal parameters

  • Maximum linear excursion (one way) xmax 8.5mm
  • Air volume displaced at xmax VD 280cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 7.2Ω
  • Inductance (1kHz, in series, estimated) LE 4.28mH
  • VC Diameter 38.8mm

Magnet

  • Force factor (in series) Bl 20.1N/A
  • Motor constant Bl/√RE 7.51N/√W

Diaphragm

  • Effective diameter 205mm
  • Effective area SD 330cm²
  • Moving mass MMS 140g
  • Moving mass (without air load) MMD 136g
  • Material IMPP

Suspensions

  • Stiffness KMS 5.78N/mm
  • Compliance CMS 173µm/N
  • Equivalent volume to the compliance VAS 26.7L
  • Mechanical resistance RMS 6.05N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 10
  • 254mm
  • Volume occupied by the driver (estimated) 1.5L
  • Frame material Stamped steel

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