P.Audio 15NT-100SW

FT
NT

Low frequency

Nominal diameter15″ / 381 mm
Resonance38 Hz
Q factor0.43
Sensitivity93 dB
Linear excursion± 9 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 93dB
  • Frequency response 35 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 38Hz
  • Mechanical quality factor QMS 8.46
  • Electrical quality factor QES 0.46
  • Total quality factor QTS 0.43

Large signal parameters

  • Maximum linear excursion xmax 9mm
  • Air volume displaced at xmax VD 770cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.6Ω
  • Inductance (1kHz) LE 0.99mH
  • VC Diameter 99.3mm
  • Winding height HVC 29mm
  • Winding material Copper
  • Former material Glass fiber

Magnet

  • Flux density B 1.2T
  • Force factor Bl 21.2N/A
  • Motor constant Bl/√RE 8.96N/√W
  • Air gap height HAG 11mm
  • Material Neodymium

Diaphragm

  • Effective diameter 329mm
  • Effective area SD 855cm²
  • Moving mass MMS 152g
  • Moving mass (without air load) MMD 135g
  • Material Waterproof Paper

Suspensions

  • Stiffness KMS 9.01N/mm
  • Compliance CMS 111µm/N
  • Equivalent volume to the compliance VAS 116L
  • Mechanical resistance RMS 4.3N·s/m
  • Surround material Cloth
  • Spider material Cotton

Dimensions

  • Nominal diameter 15
  • 381mm
  • Overall diameter 386mm
  • Baffle cutout diameter 355mm
  • Overall depth 210mm
  • Flange thickness 19mm
  • Mounting depth 191mm
  • Volume occupied by the driver (estimated) 5L
  • Net weight 8.9kg
  • Frame material Aluminium
P.Audio 15NT-100SW SPL & Impedance
P.Audio 15NT-100SW Dimensions

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