Eighteen Sound 15ND930

Eighteen Sound 15ND930
General Specifications Datasheet
Brand Eighteen Sound
Reference 15ND930
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
  • 98 dB SPL 1W / 1m average sensitivity
  • 75 mm (3 in) edgewound voice coil
  • 500W AES power handling
  • Neodymium magnet assembly
  • Double Demodulating Rings (DDR) for lower distortion
  • Humidity resistant cone
  • Ideal for two way systems and for high loading compact subwoofer applications
  • External neodymium magnet assembly
  • Weather protected cone and plates for outdoor usage
  • Recommended for multiway systems and studio monitoring applications
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 86.7 g
Moving mass (including airload) Mms 101 g
Mechanical resistance Rms 4.3 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 mm
Baffle hole diameter 357 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
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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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