Eighteen Sound 15LW2400 8Ω

Subwoofer

Nominal diameter15″ / 380 mm
Resonance40 Hz
Q factor0.30
Sensitivity95 dB
Linear excursion± 10 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 95dB
  • Frequency response 40 - 2200Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 40Hz
  • Mechanical quality factor QMS 4.75
  • Electrical quality factor QES 0.32
  • Total quality factor QTS 0.30

Large signal parameters

  • Maximum linear excursion (one way) xmax 10mm
  • Air volume displaced at xmax VD 850cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.3Ω
  • Inductance (1kHz) LE 1.25mH
  • VC Diameter 100mm
  • Winding material Copper

Magnet

  • Force factor Bl 24N/A
  • Motor constant Bl/√RE 10.4N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 329mm
  • Effective area SD 850cm²
  • Moving mass (including air load) MMS 138g
  • Moving mass MMD 121g
  • Material Weather protected

Suspensions

  • Stiffness KMS 8.7N/mm
  • Compliance CMS 115µm/N
  • Equivalent volume to the compliance VAS 131L
  • Mechanical resistance RMS 7.3N·s/m

Dimensions

  • Nominal diameter 15
  • 380mm
  • Overall diameter 393mm
  • Baffle cutout diameter 354mm
  • Overall depth 181mm
  • Flange thickness 12mm
  • Mounting depth 169mm
  • Volume occupied by the driver (estimated) 5.4L
  • Net weight 11.2kg
Eighteen Sound 15LW2400 8Ω Impedance
Eighteen Sound 15LW2400 8Ω SPL
Eighteen Sound 15LW2400 8Ω Dimensions

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