NVX VCW154v3

2x2Ω
2x4Ω

Subwoofer

Nominal diameter15″ / 396 mm
Resonance31.3 Hz
Q factor0.45
Sensitivity87.5 dB
Linear excursion± 23 mm
Program power3000 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 87.5dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 31.3Hz
  • Mechanical quality factor QMS 1.68
  • Electrical quality factor QES 0.62
  • Total quality factor QTS 0.45

Large signal parameters

  • Maximum linear excursion (one way) xmax 23mm
  • Air volume displaced at xmax VD 1850cm³
  • 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, estimated) LE 6.15mH

Magnet

  • Force factor (in series) Bl 24.2N/A
  • Motor constant Bl/√RE 9.57N/√W

Diaphragm

  • Effective diameter 320mm
  • Effective area SD 804cm²
  • Moving mass (including air load) MMS 287g
  • Moving mass MMD 271g

Suspensions

  • Stiffness KMS 11.1N/mm
  • Compliance CMS 90µm/N
  • Equivalent volume to the compliance VAS 82.9L
  • Mechanical resistance RMS 33.6N·s/m

Dimensions

  • Nominal diameter 15
  • 396mm
  • Overall diameter 396mm
  • Baffle cutout diameter 358mm
  • Mounting depth 208mm
  • Volume occupied by the driver 3.68L
  • Net weight 14.0kg

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