KICKER L7 41L7152

2x2Ω
2x4Ω

Subwoofer

Nominal size15x15″ / 396x396 mm
Resonance32 Hz
Q factor0.74
Sensitivity87.8 dB
Linear excursion± 21.5 mm
Program power2400 W
Discontinued
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 32Hz
  • Mechanical quality factor QMS 12.71
  • Electrical quality factor QES 0.78
  • Total quality factor QTS 0.74

Large signal parameters

  • Maximum linear excursion (one way) xmax 21.5mm
  • Air volume displaced at xmax VD 2215cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.6Ω
  • Inductance (1kHz, in series) LE 3.56mH

Magnet

  • Force factor (in series) Bl 21.6N/A
  • Motor constant Bl/√RE 11.4N/√W

Diaphragm

  • Effective diameter 362mm
  • Effective area SD 1030cm²
  • Moving mass (including air load) MMS 507g
  • Moving mass MMD 486g

Suspensions

  • Stiffness KMS 20.5N/mm
  • Compliance CMS 49µm/N
  • Equivalent volume to the compliance VAS 73.5L
  • Mechanical resistance RMS 8.01N·s/m

Dimensions

  • Nominal size 15 x 15
  • 396 x 396mm
  • Overall size 396 x 396mm
  • Mounting baffle cutout 349 x 349mm
  • Mounting depth 239mm
  • Volume occupied by the driver (estimated) 4.8L

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