Eighteen Sound 18LW1400

Eighteen Sound 18LW1400
Eighteen Sound 18LW1400
General Specifications Datasheet
Brand Eighteen Sound
Reference 18LW1400
Size 18 in
460 mm
Type Subwoofer
Impedance Z 8 Ω
Minimum impedance Zmin 6.4 Ω
Nominal Power P 1000 W
Program Power Pmax 1400 W
Sensitivity SPL 98 dB
Usable frequency range 28 - 2500 Hz
Recommended crossover 500 Hz
  • 98 dB SPL 1W / 1m average sensitivity
  • 100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
  • 1000W AES power handling
  • Carbon fiber reinforced straight ribbed cone
  • Double Silicon Spider (DSS) for improved excursion control and linearity
  • Double Demodulating Rings (DDR) for lower distortion
  • Improved heat dissipation via unique basket design and multiple backplate vents
  • Weather protected cone and plates for outdoor usage
  • Ideal for high SPL subwoofer designs
Eighteen Sound 18LW1400 Frequency response
Eighteen Sound 18LW1400 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 31 Hz
Surface area of cone Sd 1225 cm²
DC resistance Re 5 Ω
Mechanical Q Qms 7.20
Electromagnetic Q Qes 0.31
Total Q factor Qts 0.29
Mechanical suspension compliance Cms 140 µm/N
Compliance equivalent air volume Vas 297 liters
Moving mass Mmd 165.3 g
Moving mass (including airload) Mms 190 g
Mechanical resistance Rms 5.1 N·s/m
BL product BL 24.7 T·m
Voice coil inductance Le 2.3 mH
Maximum linear excursion (one way) Xmax 9 mm
Maximum mechanical limit (one way) Xlim 25 mm
Efficiency η₀ 2.82 %
Efficiency bandwidth product EBP 100
Effective diaphragm diameter Ø 39.5 cm
Import this driver in a simulation software:
WinISD 18Sound 18LW1400.wdr
Hornresp 18Sound 18LW1400.txt
Basta! 18Sound 18LW1400.bastaelement
Eighteen Sound 18LW1400 Dimensions
Dimensions
Overall diameter 462 mm
Baffle hole diameter 422 mm
Overall depth 215.4 mm
Flange thickness 26 mm
Net weight 13.3 kg
Materials of construction
Diaphragm material Carbon Fiber reinforced Paper
Diaphragm shape Straight
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 100 mm
Coil material Copper
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This page may contain errors or inaccuracies. Please check the up-to-date specifications on the manufacturer website before starting your project.

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