P.Audio IMF HP15W V3

Low frequency

Nominal diameter15″ / 381 mm
Resonance41 Hz
Q factor0.70
Sensitivity92.7 dB
Linear excursion± 5 mm
Program Power600 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 92.7dB
  • Frequency response 40 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 41Hz
  • Mechanical quality factor QMS 4.42
  • Electrical quality factor QES 0.83
  • Total quality factor QTS 0.70

Large signal parameters

  • Maximum linear excursion xmax 5mm
  • Air volume displaced at xmax VD 428cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.2Ω
  • Inductance (1kHz) LE 0.44mH
  • VC Diameter 63.7mm
  • Winding height HVC 18mm
  • Winding material SV-W
  • Former material Aluminum

Magnet

  • Flux density B 0.9T
  • Force factor Bl 13.5N/A
  • Motor constant Bl/√RE 5.92N/√W
  • Air gap height HAG 8mm
  • Material Ferrite

Diaphragm

  • Effective diameter 326mm
  • Effective area SD 855cm²
  • Moving mass MMS 115g
  • Moving mass (without air load) MMD 97.2g
  • Material Paper

Suspensions

  • Stiffness KMS 7.52N/mm
  • Compliance CMS 133µm/N
  • Equivalent volume to the compliance VAS 136L
  • Mechanical resistance RMS 6.68N·s/m
  • Surround material Cloth
  • Spider material Single

Dimensions

  • Nominal diameter 15
  • 381mm
  • Overall diameter 387mm
  • Baffle cutout diameter 351mm
  • Overall depth 155mm
  • Flange thickness 10mm
  • Mounting depth 145mm
  • Volume occupied by the driver (estimated) 2.8L
  • Net weight 4.9kg
  • Frame material Heavy-duty stamp steel
P.Audio IMF HP15W V3 SPL & Impedance
P.Audio IMF HP15W V3 Dimensions

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