P.Audio C15-400B v2

Low frequency

Nominal diameter15″ / 381 mm
Resonance42 Hz
Q factor0.55
Sensitivity95.2 dB
Linear excursion± 3.3 mm
Program Power800 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 95.2dB
  • Frequency response 55 - 2000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 42Hz
  • Mechanical quality factor QMS 5.09
  • Electrical quality factor QES 0.61
  • Total quality factor QTS 0.55

Large signal parameters

  • Maximum linear excursion (one way) xmax 3.3mm
  • Air volume displaced at xmax VD 278cm³
  • Power handling P 400W
  • Program power Pmax 800W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.4Ω
  • Inductance (1kHz) LE 0.35mH
  • VC Diameter 75.7mm
  • Winding height HVC 18.5mm
  • Winding material AL-W
  • Former material Glass fiber

Magnet

  • Flux density B 1.1T
  • Force factor Bl 15.6N/A
  • Motor constant Bl/√RE 6.69N/√W
  • Air gap height HAG 12mm
  • Material Ferrite

Diaphragm

  • Effective diameter 332mm
  • Effective area SD 855cm²
  • Moving mass MMS 103g
  • Moving mass (without air load) MMD 85.6g
  • Material Paper

Suspensions

  • Stiffness KMS 7.3N/mm
  • Compliance CMS 137µm/N
  • Equivalent volume to the compliance VAS 142L
  • Mechanical resistance RMS 5.4N·s/m
  • Surround material Cloth
  • Spider material Cotton (Single)

Dimensions

  • Nominal diameter 15
  • 381mm
  • Overall diameter 386mm
  • Baffle cutout diameter 353mm
  • Overall depth 184mm
  • Flange thickness 16mm
  • Mounting depth 168mm
  • Volume occupied by the driver (estimated) 5L
  • Net weight 10.1kg
  • Frame material Aluminium
P.Audio C15-400B v2 SPL & Impedance
P.Audio C15-400B v2 Dimensions

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