NVX VCW124v3

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 321 mm
Resonance29.4 Hz
Q factor0.55
Sensitivity86.4 dB
Linear excursion± 23 mm
Program power2400 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 86.4dB
  • Frequency response 20 - 200Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 29.4Hz
  • Mechanical quality factor QMS 4.73
  • Electrical quality factor QES 0.62
  • Total quality factor QTS 0.55

Large signal parameters

  • Maximum linear excursion (one way) xmax 23mm
  • Air volume displaced at xmax VD 1219cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.4Ω
  • Inductance (1kHz, in series, estimated) LE 4.43mH

Magnet

  • Force factor (in series) Bl 18.3N/A
  • Motor constant Bl/√RE 7.23N/√W

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 530cm²
  • Moving mass (including air load) MMS 176g
  • Moving mass MMD 167g

Suspensions

  • Stiffness KMS 5.99N/mm
  • Compliance CMS 167µm/N
  • Equivalent volume to the compliance VAS 66.7L
  • Mechanical resistance RMS 6.85N·s/m

Dimensions

  • Nominal diameter 12
  • 321mm
  • Overall diameter 321mm
  • Baffle cutout diameter 284mm
  • Mounting depth 174mm
  • Volume occupied by the driver 4.25L
  • Net weight 13.5kg

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