P.Audio 12NT-100MB

FT
NT

Low frequency

Nominal diameter12″ / 305 mm
Resonance55 Hz
Q factor0.40
Sensitivity95.8 dB
Linear excursion± 5.5 mm
Program Power2000 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 95.8dB
  • Frequency response 55 - 2500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 55Hz
  • Mechanical quality factor QMS 8.93
  • Electrical quality factor QES 0.42
  • Total quality factor QTS 0.40

Large signal parameters

  • Maximum linear excursion xmax 5.5mm
  • Air volume displaced at xmax VD 297cm³
  • Power handling P 1000W
  • Program power Pmax 2000W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.2Ω
  • Inductance (1kHz) LE 0.6mH
  • VC Diameter 99.3mm
  • Winding height HVC 21mm
  • Winding material Flat Aluminium Wire
  • Former material Glass Fiber

Magnet

  • Flux density B 1.3T
  • Force factor Bl 21.6N/A
  • Motor constant Bl/√RE 8.67N/√W
  • Air gap height HAG 10mm
  • Material Neodymium

Diaphragm

  • Effective diameter 261mm
  • Effective area SD 539cm²
  • Moving mass MMS 82.1g
  • Moving mass (without air load) MMD 61.4g
  • Material Waterproof Paper

Suspensions

  • Stiffness KMS 8.4N/mm
  • Compliance CMS 119µm/N
  • Equivalent volume to the compliance VAS 30.5L
  • Mechanical resistance RMS 4.03N·s/m
  • Surround material Cloth
  • Spider material Double

Dimensions

  • Nominal diameter 12
  • 305mm
  • Overall diameter 314mm
  • Baffle cutout diameter 283mm
  • Overall depth 161mm
  • Flange thickness 15mm
  • Mounting depth 156mm
  • Volume occupied by the driver (estimated) 3.4L
  • Net weight 7.9kg
  • Frame material Aluminium
P.Audio 12NT-100MB SPL & Impedance
P.Audio 12NT-100MB Dimensions

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