Eighteen Sound 18ND9300

Eighteen Sound 18ND9300
General Specifications Datasheet
Brand Eighteen Sound
Reference 18ND9300
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
  • 98 dB SPL 1W / 1m average sensitivity
  • 100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
  • 1000 W AES power handling
  • Carbon fiber reinforced cone
  • Double Silicon Spider (DSS) for improved excursion control and linearity
  • Double Demodulating Rings (DDR) for lower distortion Neodymium magnet assembly
  • Improved heat dissipation via unique basket design
  • Weather protected cone and plates for outdoor usage
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 159.4 g
Moving mass (including airload) Mms 184 g
Mechanical resistance Rms 4.4 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 39.4 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 mm
Baffle hole diameter 422 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
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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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