Eighteen Sound 15ND830

Eighteen Sound 15ND830
Eighteen Sound 15ND830
Eighteen Sound 15ND830
General Specifications Datasheet
Brand Eighteen Sound
Reference 15ND830
Manufacturer website www.eighteensound.com
Size 15 in
380 mm
Type Low Frequency
Impedance Z 8 Ω
Minimum impedance Zmin 6.7 Ω
Nominal Power P 450 W
Program Power Pmax 700 W
Sensitivity SPL 98 dB
Usable frequency range 38 - 5000 Hz
Recommended crossover 2000 Hz
Eighteen Sound 15ND830 Frequency response
Eighteen Sound 15ND830 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 39 Hz
Surface area of cone Sd 850 cm²
DC resistance Re 5.7 Ω
Mechanical Q Qms 3.90
Electromagnetic Q Qes 0.35
Total Q factor Qts 0.32
Mechanical suspension compliance Cms 208 µm/N
Compliance equivalent air volume Vas 213 liters
Moving mass Mmd 65.71 g
Moving mass (including airload) Mms 80 g
Mechanical resistance Rms 5.03 N·s/m
BL product BL 18 T·m
Voice coil inductance Le 1.54 mH
Maximum linear excursion (one way) Xmax 6.5 mm
Maximum mechanical limit (one way) Xlim 16.5 mm
Efficiency η₀ 3.55 %
Efficiency bandwidth product EBP 111
Effective diaphragm diameter Ø 32.9 cm
Import this driver in a simulation software:
WinISD 18Sound 15ND830.wdr
Hornresp 18Sound 15ND830.txt
Basta! 18Sound 15ND830.bastaelement
Eighteen Sound 15ND830 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 Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 75 mm
Coil material Aluminum
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 15ND830 450 98 39 850 3.90 0.35 213 6.5
Eighteen Sound 15W700 450 99 38 850 3.80 0.33 217 6.5
Beyma 15CXA400Nd 400 98 40 880 4.37 0.39 196 6.0
Fane SOVEREIGN PRO 15-600 600 98 38 850 3.52 0.39 201 6.0
B&C Speaker 15FHX76 400 98 40 855 5.20 0.47 186 6.5
Celestion NTR15-3018E 450 98 35 854 3.86 0.26 226 5.0
Beyma 15LW30 500 98 34 880 4.50 0.35 251 7.0
B&C Speaker 15NDL76 500 100 37 855 4.50 0.24 195 7.0
LaVoce NBASS15-30 400 98 42 855 5.00 0.40 140 6.6
Eighteen Sound 15ND930 500 98 36 850 5.30 0.23 206 7.5
Precision Devices PD.153C002 450 101 38 853 4.03 0.26 263 6.8

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1130 ms