P.Audio 15FT-76MB

FT
NTNX

Low frequency

Nominal diameter15″ / 381 mm
Resonance42 Hz
Q factor0.35
Sensitivity98.9 dB
Linear excursion± 4.7 mm
Program Power1000 W
P.Audio 15FT-76MB Low frequencyP.Audio 15FT-76MB Low frequencyP.Audio 15FT-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 98.9dB
  • Frequency response 42 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 42Hz
  • Mechanical quality factor QMS 6.90
  • Electrical quality factor QES 0.37
  • Total quality factor QTS 0.35

Large signal parameters

  • Maximum linear excursion xmax 4.7mm
  • Air volume displaced at xmax VD 414cm³
  • Power handling P 500W
  • Program power Pmax 1000W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.2Ω
  • Inductance (1kHz) LE 0.83mH
  • VC Diameter 76.2mm
  • Winding height HVC 19mm
  • Winding material Flat Aluminium Wire
  • Former material Glass Fiber

Magnet

  • Flux density B 1T
  • Force factor Bl 20.4N/A
  • Motor constant Bl/√RE 8.19N/√W
  • Air gap height HAG 9.5mm
  • Material Ferrite

Diaphragm

  • Effective diameter 331mm
  • Effective area SD 881cm²
  • Moving mass MMS 93.1g
  • Moving mass (without air load) MMD 59.8g
  • Material Paper

Suspensions

  • Stiffness KMS 5.68N/mm
  • Compliance CMS 176µm/N
  • Equivalent volume to the compliance VAS 151L
  • Mechanical resistance RMS 2.03N·s/m
  • Surround material Cloth
  • Spider material Single

Dimensions

  • Nominal diameter 15″
  • 381mm
  • Overall diameter 390mm
  • Baffle cutout diameter 350mm
  • Overall depth 174mm
  • Flange thickness 14mm
  • Mounting depth 160mm
  • Volume occupied by the driver (estimated) 4.4L
  • Net weight 8.6kg
  • Frame material Aluminium
SPL & Impedance
P.Audio 15FT-76MB SPL & Impedance
P.Audio 15FT-76MB Dimensions
PDF fileDatasheet

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