NVX VCW122v3

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 321 mm
Resonance25.1 Hz
Q factor0.40
Sensitivity84 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 84dB
  • Frequency response 20 - 200Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 25.1Hz
  • Mechanical quality factor QMS 5.12
  • Electrical quality factor QES 0.43
  • Total quality factor QTS 0.40

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 2Ω
  • DC resistance (in series) RE 3.2Ω
  • Inductance (1kHz, in series, estimated) LE 3.66mH

Magnet

  • Force factor (in series) Bl 20.8N/A
  • Motor constant Bl/√RE 11.6N/√W

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 530cm²
  • Moving mass (including air load) MMS 374g
  • Moving mass MMD 365g

Suspensions

  • Stiffness KMS 9.26N/mm
  • Compliance CMS 108µm/N
  • Equivalent volume to the compliance VAS 42.9L
  • Mechanical resistance RMS 11.5N·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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