Down4Sound DVX10D2

2x2Ω
2x4Ω

Subwoofer

Nominal diameter10″ / 290 mm
Resonance38.1 Hz
Q factor0.42
Sensitivity81.5 dB
Linear excursion± 31 mm
Program Power3400 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 81.5dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 38.1Hz
  • Mechanical quality factor QMS 3.11
  • Electrical quality factor QES 0.49
  • Total quality factor QTS 0.42

Large signal parameters

  • Maximum linear excursion (one way) xmax 31mm
  • Air volume displaced at xmax VD 1074cm³
  • Power handling P 1700W
  • Program power Pmax 3400W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.8Ω
  • Inductance (1kHz, in series, estimated) LE 4.38mH
  • VC Diameter 76.2mm
  • Winding material Copper

Magnet

  • Force factor (in series) Bl 26.5N/A
  • Motor constant Bl/√RE 13.6N/√W
  • Diameter 255mm

Diaphragm

  • Effective diameter 210mm
  • Effective area SD 346cm²
  • Moving mass MMS 380g
  • Moving mass (without air load) MMD 375g

Suspensions

  • Stiffness KMS 21.7N/mm
  • Compliance CMS 46µm/N
  • Equivalent volume to the compliance VAS 7.34L
  • Mechanical resistance RMS 29.2N·s/m

Dimensions

  • Nominal diameter 10
  • 290mm
  • Overall diameter 290mm
  • Baffle cutout diameter 240mm
  • Mounting depth 225mm
  • Volume occupied by the driver 5.95L
  • Net weight 20.41kg

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