REDCATT 15NPW

Woofer

Nominal diameter15″ / 392 mm
Resonance40 Hz
Q factor0.27
Sensitivity95.5 dB
Linear excursion± 7.3 mm
Program Power2400 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 95.5dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 40Hz
  • Mechanical quality factor QMS 8.77
  • Electrical quality factor QES 0.28
  • Total quality factor QTS 0.27

Large signal parameters

  • Maximum linear excursion (one way) xmax 7.3mm
  • Air volume displaced at xmax VD 643cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.6Ω
  • Inductance (1kHz) LE 1.65mH
  • VC Diameter 101.6mm
  • Winding height HVC 25.5mm
  • Winding material Copper
  • Former material kapton

Magnet

  • Force factor Bl 28.3N/A
  • Motor constant Bl/√RE 12N/√W
  • Air gap height HAG 14mm
  • Material Neodymium

Diaphragm

  • Effective diameter 335mm
  • Effective area SD 881cm²
  • Moving mass MMS 155g
  • Moving mass (without air load) MMD 137g
  • Material Paper

Suspensions

  • Stiffness KMS 10.1N/mm
  • Compliance CMS 99µm/N
  • Equivalent volume to the compliance VAS 107L
  • Mechanical resistance RMS 4.44N·s/m
  • Surround material Fabric
  • Spider material Nomex

Dimensions

  • Nominal diameter 15
  • 392mm
  • Overall diameter 392mm
  • Baffle cutout diameter 360mm
  • Mounting depth 156mm
  • Volume occupied by the driver (estimated) 3.8L
  • Net weight 8.5kg
REDCATT 15NPW SPL & Impedance
REDCATT 15NPW Dimensions

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