Eighteen Sound 18ND9300

Eighteen Sound 18ND9300
General Specifications Datasheet
Brand Eighteen Sound
Reference 18ND9300
Manufacturer website www.eighteensound.com
Size 18 in
460 mm
Type Low Frequency
Impedance Z 8 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
Eighteen Sound 18ND9300 Frequency response
Eighteen Sound 18ND9300 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 30 Hz
Surface area of cone Sd 1220 cm²
DC resistance Re 5 Ω
Mechanical Q Qms 7.86
Electromagnetic Q Qes 0.29
Total Q factor Qts 0.28
Mechanical suspension compliance Cms 150 µm/N
Compliance equivalent air volume Vas 316 liters
Moving mass Mmd 159.43 g
Moving mass (including airload) Mms 184 g
Mechanical resistance Rms 4.41 N·s/m
BL product BL 24.4 T·m
Voice coil inductance Le 2.02 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 103
Effective diaphragm diameter Ø 39.41 cm
Import this driver in a simulation software:
WinISD 18Sound 18ND9300.wdr
Hornresp 18Sound 18ND9300.txt
Basta! 18Sound 18ND9300.bastaelement
Eighteen Sound 18ND9300 Dimensions
Dimensions
Overall diameter 462.0 mm
Baffle hole diameter 422.0 mm
Overall depth 223.5 mm
Flange thickness 26 mm
Net weight 7.6 kg
Materials of construction
Diaphragm material Carbon Fiber reinforced Cellulose
Diaphragm shape Straight
Surround material 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 18ND9300 1000 98 30 1220 7.86 0.29 316 9.5
Eighteen Sound 18LW1400 1000 98 31 1225 7.20 0.31 297 9.0
Eighteen Sound 18LW1251 1000 98 35 1134 8.00 0.28 268 9.0
Eighteen Sound 18NLW9400 1200 98 33 1225 6.10 0.28 268 9.5
Precision Devices PD.185C001 900 97 32 1162 8.42 0.42 302 10.5
B&C Speaker 18PZB100 700 97 30 1134 8.80 0.25 297 8.0
B&C Speaker 18TBX100 4Ω 1200 94 30 1210 7.00 0.33 256 9.0
Eighteen Sound 18LW2400WP 1200 98 35 1220 7.20 0.32 230 9.5
Eighteen Sound 18LW2400 1200 98 35 1225 7.20 0.32 230 9.5
LaVoce SAF184.01 700 99 30 1225 5.80 0.30 235 8.5
Beyma 18PWB1000Fe 1000 96 27 1255 8.20 0.40 317 12.5

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