P.Audio 15NT-76MB

FT
NT
NX

Low frequency

Nominal diameter15″ / 381 mm
Resonance45 Hz
Q factor0.43
Sensitivity97.2 dB
Linear excursion± 5.2 mm
Program Power1000 W
P.Audio 15NT-76MB Low frequencyP.Audio 15NT-76MB Low frequencyP.Audio 15NT-76MB Low frequency
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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 97.2dB
  • Frequency response 45 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 45Hz
  • Mechanical quality factor QMS 9.79
  • Electrical quality factor QES 0.45
  • Total quality factor QTS 0.43

Large signal parameters

  • Maximum linear excursion xmax 5.2mm
  • Air volume displaced at xmax VD 458cm³
  • Power handling P 500W
  • Program power Pmax 1000W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.2Ω
  • Inductance (1kHz) LE 0.8mH
  • VC Diameter 76.2mm
  • Winding height HVC 19mm
  • Winding material Flat Aluminium Wire
  • Former material Glass Fiber

Magnet

  • Flux density B 1.2T
  • Force factor Bl 19N/A
  • Motor constant Bl/√RE 7.64N/√W
  • Air gap height HAG 8mm
  • Material Neodymium

Diaphragm

  • Effective diameter 331mm
  • Effective area SD 881cm²
  • Moving mass MMS 86.5g
  • Moving mass (without air load) MMD 69.1g
  • Material Waterproof Paper

Suspensions

  • Stiffness KMS 5.92N/mm
  • Compliance CMS 169µm/N
  • Equivalent volume to the compliance VAS 134L
  • Mechanical resistance RMS 2.14N·s/m
  • Surround material Cloth
  • Spider material Single

Dimensions

  • Nominal diameter 15″
  • 381mm
  • Overall diameter 386mm
  • Baffle cutout diameter 354mm
  • Overall depth 190mm
  • Flange thickness 15mm
  • Mounting depth 175mm
  • Volume occupied by the driver (estimated) 3.6L
  • Net weight 5.76kg
  • Frame material Aluminium
SPL & Impedance
P.Audio 15NT-76MB SPL & Impedance
P.Audio 15NT-76MB Dimensions
PDF fileDatasheet

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