Eighteen Sound 15ND930

Eighteen Sound 15ND930
General Specifications Datasheet
Brand Eighteen Sound
Reference 15ND930
Manufacturer website www.eighteensound.com
Size 15 in
380 mm
Type Low Frequency
Impedance Z 8 Ω
Minimum impedance Zmin 6.8 Ω
Nominal Power P 500 W
Program Power Pmax 800 W
Sensitivity SPL 98 dB
Usable frequency range 40 - 4100 Hz
Recommended crossover 1700 Hz
Eighteen Sound 15ND930 Frequency response
Eighteen Sound 15ND930 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 36 Hz
Surface area of cone Sd 850 cm²
DC resistance Re 5.5 Ω
Mechanical Q Qms 5.30
Electromagnetic Q Qes 0.23
Total Q factor Qts 0.22
Mechanical suspension compliance Cms 201 µm/N
Compliance equivalent air volume Vas 206 liters
Moving mass Mmd 86.71 g
Moving mass (including airload) Mms 101 g
Mechanical resistance Rms 4.31 N·s/m
BL product BL 23.8 T·m
Voice coil inductance Le 1.61 mH
Maximum linear excursion (one way) Xmax 7.5 mm
Maximum mechanical limit (one way) Xlim 16.5 mm
Efficiency η₀ 4.17 %
Efficiency bandwidth product EBP 156
Effective diaphragm diameter Ø 32.9 cm
Import this driver in a simulation software:
WinISD 18Sound 15ND930.wdr
Hornresp 18Sound 15ND930.txt
Basta! 18Sound 15ND930.bastaelement
Eighteen Sound 15ND930 Dimensions
Dimensions
Overall diameter 387.0 mm
Baffle hole diameter 357.0 mm
Overall depth 177 mm
Flange thickness 11.5 mm
Net weight 4.1 kg
Materials of construction
Diaphragm material Treated Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 75 mm
Coil material Copper
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 15ND930 500 98 36 850 5.30 0.23 206 7.5
B&C Speaker 15NDL76 500 100 37 855 4.50 0.24 195 7.0
Beyma 15LW30 500 98 34 880 4.50 0.35 251 7.0
Eighteen Sound 15ND830 450 98 39 850 3.90 0.35 213 6.5
Eighteen Sound 15W600 500 98 38 850 7.20 0.30 183 6.5
B&C Speaker 15FHX76 400 98 40 855 5.20 0.47 186 6.5
Eminence KAPPA PRO-15LF-2 600 98 35 856 7.30 0.32 199 6.7
Celestion NTR15-3018E 450 98 35 854 3.86 0.26 226 5.0
Fane SOVEREIGN 15-600LF 600 99 37 855 6.28 0.41 236 6.5
B&C Speaker 15FW76 500 100 40 855 5.10 0.22 138 7.0
Eighteen Sound 15W700 450 99 38 850 3.80 0.33 217 6.5

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