Eighteen Sound 18NLW9601C

Eighteen Sound 18NLW9601C
General Specifications Datasheet
Brand Eighteen Sound
Reference 18NLW9601C
Size 18 in
462 mm
Type Low frequency
Impedance Z 8 Ω
Minimum impedance Zmin 6.0 Ω
Nominal Power P 1800 W
Program Power Pmax 3600 W
Sensitivity SPL 95 dB
Usable frequency range 30 - 2300 Hz
Recommended crossover 300 Hz
  • 95 dB SPL 1W / 1m average sensitivity
  • 135 mm (5.3 in) split winding four layers ISV aluminum voice coil
  • 3600 W program power handling
  • Carbon fiber reinforced cellulose cone
  • Double Silicon Spider (DSS) for improved excursion control
  • Aluminum demodulating ring (SDR) for lower distortion
  • High force neodymium magnet assembly
  • Weather protected cone and plates for outdoor usage
  • Suitable for reflex, bandpass or horn loaded high SPL subwoofer systems
Eighteen Sound 18NLW9601C Frequency response
Eighteen Sound 18NLW9601C Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 38.5 Hz
Surface area of cone Sd 1130 cm²
DC resistance Re 4.7 Ω
Mechanical Q Qms 6.29
Electromagnetic Q Qes 0.36
Total Q factor Qts 0.34
Mechanical suspension compliance Cms 55 µm/N
Compliance equivalent air volume Vas 99 liters
Moving mass Mmd 292.1 g
Moving mass (including airload) Mms 314 g
Mechanical resistance Rms 12.1 N·s/m
BL product BL 31.7 T·m
Voice coil inductance Le 1.8 mH
Maximum linear excursion (one way) Xmax 14 mm
Maximum mechanical limit (one way) Xlim 35 mm
Efficiency η₀ 1.53 %
Efficiency bandwidth product EBP 106
Effective diaphragm diameter Ø 37.9 cm
Import this driver in a simulation software:
WinISD 18Sound 18NLW9601C.wdr
Hornresp 18Sound 18NLW9601C.txt
Basta! 18Sound 18NLW9601C.bastaelement
Eighteen Sound 18NLW9601C Dimensions
Dimensions
Overall diameter 462 mm
Baffle hole diameter 422 mm
Overall depth 236 mm
Flange thickness 26 mm
Net weight 12.8 kg
Materials of construction
Diaphragm material Carbon Fiber
Diaphragm shape Straight
Surround material Heavy Polycotton
Voice Coil Parameters
Voice coil diameter 135 mm
Coil material Aluminum
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