P.Audio 19NT-125XB

NT
FT

Subwoofer

Nominal diameter19″ / 480 mm
Resonance33 Hz
Q factor0.45
Sensitivity94.6 dB
Linear excursion± 9.5 mm
Program Power3600 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 94.6dB
  • Frequency response 33 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 33Hz
  • Mechanical quality factor QMS 9.70
  • Electrical quality factor QES 0.47
  • Total quality factor QTS 0.45

Large signal parameters

  • Maximum linear excursion xmax 9.5mm
  • Air volume displaced at xmax VD 1477cm³
  • Power handling P 1800W
  • Program power Pmax 3600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.0Ω
  • Inductance (1kHz) LE 1.26mH
  • VC Diameter 126mm
  • Winding height HVC 33mm
  • Winding material Round Copper Wire
  • Former material Glass Fiber

Magnet

  • Flux density B 1.2T
  • Force factor Bl 29.9N/A
  • Motor constant Bl/√RE 12.2N/√W
  • Air gap height HAG 14mm
  • Material Neodymium

Diaphragm

  • Effective diameter 445mm
  • Effective area SD 1555cm²
  • Moving mass MMS 317g
  • Moving mass (without air load) MMD 275g
  • Material Paper

Suspensions

  • Stiffness KMS 14.5N/mm
  • Compliance CMS 69µm/N
  • Equivalent volume to the compliance VAS 218L
  • Mechanical resistance RMS 6.78N·s/m
  • Surround material Cloth
  • Spider material Double Silicone

Dimensions

  • Nominal diameter 19
  • 480mm
  • Overall diameter 512mm
  • Baffle cutout diameter 473mm
  • Overall depth 255mm
  • Flange thickness 24mm
  • Mounting depth 231mm
  • Volume occupied by the driver (estimated) 8.5L
  • Net weight 12.5kg
  • Frame material Aluminium
P.Audio 19NT-125XB SPL & Impedance
P.Audio 19NT-125XB Dimensions

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