Eighteen Sound 18LW2500

Eighteen Sound 18LW2500
Eighteen Sound 18LW2500
General Specifications Datasheet
Brand Eighteen Sound
Reference 18LW2500
Manufacturer website www.eighteensound.com
Size 18 in
462 mm
Type Low Frequency
Impedance Z 8 Ω
Minimum impedance Zmin 6.1 Ω
Nominal Power P 1600 W
Program Power Pmax 3200 W
Sensitivity SPL 95 dB
Usable frequency range 30 - 1000 Hz
Recommended crossover 250 Hz
Eighteen Sound 18LW2500 Frequency response
Eighteen Sound 18LW2500 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 34 Hz
Surface area of cone Sd 1130 cm²
DC resistance Re 4.9 Ω
Mechanical Q Qms 22.00
Electromagnetic Q Qes 0.34
Total Q factor Qts 0.33
Mechanical suspension compliance Cms 75 µm/N
Compliance equivalent air volume Vas 135 liters
Moving mass Mmd 268.09 g
Moving mass (including airload) Mms 290 g
Mechanical resistance Rms 2.82 N·s/m
BL product BL 30 T·m
Voice coil inductance Le 2.87 mH
Maximum linear excursion (one way) Xmax 14 mm
Maximum mechanical limit (one way) Xlim 35 mm
Efficiency η₀ 1.51 %
Efficiency bandwidth product EBP 99
Effective diaphragm diameter Ø 37.93 cm
Import this driver in a simulation software:
WinISD 18Sound 18LW2500.wdr
Hornresp 18Sound 18LW2500.txt
Basta! 18Sound 18LW2500.bastaelement
Eighteen Sound 18LW2500 Dimensions
Dimensions
Overall diameter 462.0 mm
Baffle hole diameter 422.0 mm
Overall depth 234 mm
Flange thickness 26 mm
Net weight 16.7 kg
Materials of construction
Diaphragm material Fiberglass Fiber reinforced Cellulose
Diaphragm shape Curved
Surround material Heavy Polycotton
Voice Coil Parameters
Voice coil diameter 100 mm
Coil material Copper
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 18LW2500 1600 95 34 1130 22.00 0.34 135 14.0
Eighteen Sound 18NLW4000 1500 94 34 1130 22.00 0.34 135 15.0
Precision Devices PD.185N02 1100 98 35 1164 22.06 0.25 178 12.0
Precision Devices PD.1851/2 1000 98 37 1164 18.49 0.27 160 12.0
Eighteen Sound 18TLW3000 1800 95 33 1225 13.00 0.42 185 12.0
Fane FC-185ND01 1200 99 33 1164 17.70 0.30 203 12.0
Eighteen Sound 21LW2500 1600 95 29 1660 22.00 0.38 305 14.0
LaVoce SAF184.04 1500 95 35 1225 10.90 0.54 155 12.1
LaVoce SAN184.03 1500 95 35 1225 9.70 0.50 163 13.0
FaitalPRO 18HP1060 4Ω 2400 98 35 1124 13.30 0.34 161 12.5
Beyma 18LEX1600Nd 1600 96 33 1255 11.40 0.45 231 14.5

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