Eighteen Sound 18LW2400 8Ω

Subwoofer

Nominal diameter18″ / 460 mm
Resonance35 Hz
Q factor0.31
Sensitivity96 dB
Linear excursion± 9.5 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 96dB
  • Frequency response 31 - 2500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 35Hz
  • Mechanical quality factor QMS 7.20
  • Electrical quality factor QES 0.32
  • Total quality factor QTS 0.31

Large signal parameters

  • Maximum linear excursion (one way) xmax 9.5mm
  • Air volume displaced at xmax VD 1164cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.0Ω
  • Inductance (1kHz) LE 1.35mH
  • VC Diameter 100mm
  • Winding material Copper

Magnet

  • Force factor Bl 25.6N/A
  • Motor constant Bl/√RE 11.4N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 395mm
  • Effective area SD 1225cm²
  • Moving mass MMS 192g
  • Moving mass (without air load) MMD 162g
  • Material Weather protected

Suspensions

  • Stiffness KMS 9.26N/mm
  • Compliance CMS 108µm/N
  • Equivalent volume to the compliance VAS 230L
  • Mechanical resistance RMS 5.86N·s/m

Dimensions

  • Nominal diameter 18
  • 460mm
  • Overall diameter 462mm
  • Baffle cutout diameter 416mm
  • Overall depth 214mm
  • Flange thickness 24mm
  • Mounting depth 190mm
  • Volume occupied by the driver (estimated) 7.2L
  • Net weight 12.75kg
Eighteen Sound 18LW2400 8Ω Impedance
Eighteen Sound 18LW2400 8Ω SPL
Eighteen Sound 18LW2400 8Ω Dimensions

Similar subwoofers to Eighteen Sound 18LW2400 8Ω

REDCATT 18NPW Woofer

REDCATT 18NPW

8 Ω
18Woofer
fS36 Hz
SD1257 cm²
QTS0.28
xmax10.7 mm
SPL1W96.3 dB
Bl/√RE12.1
Pmax2400 W
FaitalPRO 18HP1022 8Ω Subwoofer

FaitalPRO 18HP1022 8Ω

8 Ω
18Subwoofer
fS35 Hz
SD1212 cm²
35 - 1600 Hz
QTS0.30
xmax9.5 mm
SPL1W95.7 dB
Bl/√RE12
Pmax2000 W