NVX NSW124v3

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 300 mm
Resonance36.9 Hz
Q factor0.56
Sensitivity87.1 dB
Linear excursion± 12.5 mm
Program power1000 W
NVX NSW124v3 SubwooferNVX NSW124v3 SubwooferNVX NSW124v3 Subwoofer
Excursion
Velocity
SPL
Phase
Group delay
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 87.1dB
  • Frequency response 20 - 200Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 36.9Hz
  • Mechanical quality factor QMS 5.75
  • Electrical quality factor QES 0.62
  • Total quality factor QTS 0.56

Large signal parameters

  • Maximum linear excursion (one way) xmax 12.5mm
  • Air volume displaced at xmax VD 638cm³
  • Power handling P 500W
  • Program power Pmax 1000W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.4Ω
  • Inductance (1kHz, in series, estimated) LE 4.54mH

Magnet

  • Force factor (in series) Bl 20.9N/A
  • Motor constant Bl/√RE 8.26N/√W

Diaphragm

  • Effective diameter 255mm
  • Effective area SD 511cm²
  • Moving mass (including air load) MMS 182g
  • Moving mass MMD 174g

Suspensions

  • Stiffness KMS 9.8N/mm
  • Compliance CMS 102µm/N
  • Equivalent volume to the compliance VAS 37.8L
  • Mechanical resistance RMS 7.35N·s/m

Dimensions

  • Nominal diameter 12″
  • 300mm
  • Overall diameter 317mm
  • Baffle cutout diameter 276mm
  • Mounting depth 153mm
  • Volume occupied by the driver 2.27L
  • Net weight 6.85kg
Impedance
Step response
Tone Burst
PDF fileDatasheet

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