KICKER CompQ 4-Ω 51CWQ154

2x2Ω
2x4Ω

Subwoofer

Nominal diameter15″ / 381 mm
Resonance32.4 Hz
Q factor0.54
Sensitivity87.8 dB
Linear excursion± 23.7 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 87.8dB
  • Frequency response 18 - 100Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 32.4Hz
  • Mechanical quality factor QMS 10.10
  • Electrical quality factor QES 0.57
  • Total quality factor QTS 0.54

Large signal parameters

  • Maximum linear excursion (one way) xmax 23.7mm
  • Air volume displaced at xmax VD 1930cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 7.2Ω
  • Inductance (1kHz, in series) LE 8.13mH

Magnet

  • Force factor (in series) Bl 31.9N/A
  • Motor constant Bl/√RE 11.9N/√W

Diaphragm

  • Effective diameter 322mm
  • Effective area SD 814cm²
  • Moving mass MMS 399g
  • Moving mass (without air load) MMD 383g

Suspensions

  • Stiffness KMS 16.5N/mm
  • Compliance CMS 61µm/N
  • Equivalent volume to the compliance VAS 56.9L
  • Mechanical resistance RMS 8.04N·s/m

Dimensions

  • Nominal diameter 15
  • 381mm
  • Baffle cutout diameter 352mm
  • Mounting depth 226mm
  • Volume occupied by the driver (estimated) 4.3L
KICKER 51CWQ154 Dimensions

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