Eighteen Sound 18LW2400

Eighteen Sound 18LW2400
Eighteen Sound 18LW2400
General Specifications Datasheet
Brand Eighteen Sound
Reference 18LW2400
Size 18 in
460 mm
Type Low frequency
Impedance Z 8 Ω
Minimum impedance Zmin 6.3 Ω
Nominal Power P 1200 W
Program Power Pmax 2400 W
Sensitivity SPL 98 dB
Usable frequency range 31 - 2500 Hz
Recommended crossover 500 Hz
  • 98 dB SPL 1W / 1m average sensitivity
  • 100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
  • 2400 W program power handling
  • Fiberglass reinforced cone
  • Double Silicon Spider (DSS) for superior excursion control and linearity
  • Double Demodulating Rings (DDR) for lower distortion
  • Improved heat dissipation via multi-cell air diffractor and multiple backplate vents
  • Weather protected cone and plates for outdoor usage
  • Ideal for high SPL subwoofer designs
Eighteen Sound 18LW2400 Frequency response
Eighteen Sound 18LW2400 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 35 Hz
Surface area of cone Sd 1225 cm²
DC resistance Re 5 Ω
Mechanical Q Qms 7.20
Electromagnetic Q Qes 0.32
Total Q factor Qts 0.31
Mechanical suspension compliance Cms 108 µm/N
Compliance equivalent air volume Vas 230 liters
Moving mass Mmd 167.3 g
Moving mass (including airload) Mms 192 g
Mechanical resistance Rms 5.9 N·s/m
BL product BL 25.6 T·m
Voice coil inductance Le 1.35 mH
Maximum linear excursion (one way) Xmax 9.5 mm
Maximum mechanical limit (one way) Xlim 25 mm
Efficiency η₀ 2.95 %
Efficiency bandwidth product EBP 109
Effective diaphragm diameter Ø 39.5 cm
Import this driver in a simulation software:
WinISD 18Sound 18LW2400.wdr
Hornresp 18Sound 18LW2400.txt
Basta! 18Sound 18LW2400.bastaelement
Eighteen Sound 18LW2400 Dimensions
Dimensions
Overall diameter 462 mm
Baffle hole diameter 422 mm
Overall depth 214.4 mm
Flange thickness 24.5 mm
Net weight 11.9 kg
Materials of construction
Diaphragm material Fiberglass Fiber reinforced Cellulose
Diaphragm shape Straight
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 100 mm
Coil material Copper
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