Ground Zero NUCLEAR GZNW 38NEO-XSPL

2x1Ω

Subwoofer

Nominal diameter15″ / 380 mm
Resonance31 Hz
Q factor0.16
Sensitivity88.3 dB
Linear excursion± 40 mm
Program Power12000 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 88.3dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 31Hz
  • Mechanical quality factor QMS 5.85
  • Electrical quality factor QES 0.16
  • Total quality factor QTS 0.16

Large signal parameters

  • Maximum linear excursion (one way) xmax 40mm
  • Air volume displaced at xmax VD 3318cm³
  • Power handling P 6000W
  • Program power Pmax 12000W
  • Peak power Ppeak 25000W

Voice Coil

  • Nominal impedance Z 2 x 1Ω
  • DC resistance (in series) RE 1.5Ω
  • Inductance (1kHz, in series) LE 2.44mH
  • VC Diameter 75mm
  • Winding material CCA

Magnet

  • Force factor (in series) Bl 43.9N/A
  • Motor constant Bl/√RE 35.8N/√W
  • Diameter 200mm
  • Material Neodymium

Diaphragm

  • Effective diameter 325mm
  • Effective area SD 830cm²
  • Moving mass MMS 1049g
  • Moving mass (without air load) MMD 1032g
  • Material Carbon

Suspensions

  • Stiffness KMS 41.7N/mm
  • Compliance CMS 24µm/N
  • Equivalent volume to the compliance VAS 24.5L
  • Mechanical resistance RMS 35N·s/m
  • Surround material ConeGrip

Dimensions

  • Nominal diameter 15
  • 380mm
  • Overall diameter 390mm
  • Baffle cutout diameter 360mm
  • Overall depth 332mm
  • Flange thickness 17mm
  • Mounting depth 315mm
  • Volume occupied by the driver (estimated) 10L
  • Frame material Aluminium

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