Eighteen Sound 15ND730

Eighteen Sound 15ND730
General Specifications Datasheet
Brand Eighteen Sound
Reference 15ND730
Size 15 in
380 mm
Type Low frequency
Impedance Z 8 Ω
Nominal Power P 400 W
Program Power Pmax 600 W
Sensitivity SPL 99 dB
Usable frequency range 44 - 4000 Hz
Recommended crossover 2000 Hz
  • 99 dB SPL 1W / 1m average sensitivity
  • 75 mm (3 in) Interleaved Sandwich Voice coil (ISV)
  • 600W program power handling
  • High force neodymium magnet assembly
  • Weather protected cone for outdoor usage
  • Ideal for compact reflex subwoofer and reflex multiway systems
Eighteen Sound 15ND730 Frequency response
Eighteen Sound 15ND730 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 44 Hz
Surface area of cone Sd 850 cm²
DC resistance Re 5.5 Ω
Mechanical Q Qms 8.10
Electromagnetic Q Qes 0.30
Total Q factor Qts 0.29
Mechanical suspension compliance Cms 152 µm/N
Compliance equivalent air volume Vas 156 liters
Moving mass Mmd 71.7 g
Moving mass (including airload) Mms 86 g
Mechanical resistance Rms 2.9 N·s/m
BL product BL 21 T·m
Voice coil inductance Le 1.35 mH
Maximum linear excursion (one way) Xmax 6.5 mm
Maximum mechanical limit (one way) Xlim 16.5 mm
Efficiency η₀ 4.47 %
Efficiency bandwidth product EBP 146
Effective diaphragm diameter Ø 32.9 cm
Import this driver in a simulation software:
WinISD 18Sound 15ND730.wdr
Hornresp 18Sound 15ND730.txt
Basta! 18Sound 15ND730.bastaelement
Eighteen Sound 15ND730 Dimensions
Dimensions
Overall diameter 387 mm
Baffle hole diameter 357 mm
Overall depth 169.5 mm
Flange thickness 11.5 mm
Net weight 3.9 kg
Materials of construction
Diaphragm material Treated Paper
Diaphragm shape Curvilinear
Surround material Treated Polycotton
Voice Coil Parameters
Voice coil diameter 75 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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