REDCATT 15NPM

Mid Bass

Nominal diameter15″ / 392 mm
Resonance48 Hz
Q factor0.46
Sensitivity95 dB
Linear excursion± 10.6 mm
Program Power1600 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 95dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 48Hz
  • Mechanical quality factor QMS 16.50
  • Electrical quality factor QES 0.47
  • Total quality factor QTS 0.46

Large signal parameters

  • Maximum linear excursion (one way) xmax 10.6mm
  • Air volume displaced at xmax VD 907cm³
  • Power handling P 800W
  • Program power Pmax 1600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 4.7Ω
  • Inductance (1kHz) LE 0.68mH
  • VC Diameter 101.6mm
  • Winding height HVC 23mm
  • Winding material Copper Clad Aluminium
  • Former material kapton

Magnet

  • Force factor Bl 19.3N/A
  • Motor constant Bl/√RE 8.9N/√W
  • Air gap height HAG 12.5mm
  • Material Neodymium

Diaphragm

  • Effective diameter 330mm
  • Effective area SD 855cm²
  • Moving mass MMS 123g
  • Moving mass (without air load) MMD 105g
  • Material Paper

Suspensions

  • Stiffness KMS 11.2N/mm
  • Compliance CMS 89µm/N
  • Equivalent volume to the compliance VAS 89.9L
  • Mechanical resistance RMS 2.25N·s/m
  • Surround material Fabric
  • Spider material Nomex

Dimensions

  • Nominal diameter 15
  • 392mm
  • Overall diameter 392mm
  • Baffle cutout diameter 360mm
  • Mounting depth 150mm
  • Volume occupied by the driver (estimated) 2.9L
  • Net weight 6.65kg
REDCATT 15NPM SPL & Impedance
REDCATT 15NPM Dimensions

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