Eighteen Sound 10NMB420

Eighteen Sound 10NMB420
General Specifications Datasheet
Brand Eighteen Sound
Reference 10NMB420
Size 10 in
260 mm
Type Low frequency
Impedance Z 16 Ω
Minimum impedance Zmin 11.9 Ω
Nominal Power P 350 W
Program Power Pmax 500 W
Sensitivity SPL 99 dB
Usable frequency range 65 - 5000 Hz
Recommended crossover 2000 Hz
  • 99 dB SPL 1W / 1m average sensitivity
  • 65 mm (2.5 in) Interleaved Sandwich Voice coil (ISV)
  • 350 W AES power handling
  • External neodymium magnet assembly
  • Single Demodulating Ring (SDR) for lower distortion
  • Weather protected cone and plates for outdoor usage
  • Suitable for line arrays and compact two way systems
Eighteen Sound 10NMB420 Frequency response
Eighteen Sound 10NMB420 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 65 Hz
Surface area of cone Sd 346 cm²
DC resistance Re 10.5 Ω
Mechanical Q Qms 4.60
Electromagnetic Q Qes 0.36
Total Q factor Qts 0.33
Mechanical suspension compliance Cms 177 µm/N
Compliance equivalent air volume Vas 30 liters
Moving mass Mmd 27.8 g
Moving mass (including airload) Mms 31.5 g
Mechanical resistance Rms 2.8 N·s/m
BL product BL 19.5 T·m
Voice coil inductance Le 0.4 mH
Maximum linear excursion (one way) Xmax 4 mm
Maximum mechanical limit (one way) Xlim 12.5 mm
Efficiency η₀ 2.51 %
Efficiency bandwidth product EBP 180
Effective diaphragm diameter Ø 21 cm
Import this driver in a simulation software:
WinISD 18Sound 10NMB420.wdr
Hornresp 18Sound 10NMB420.txt
Basta! 18Sound 10NMB420.bastaelement
Eighteen Sound 10NMB420 Dimensions
Dimensions
Overall diameter 260 mm
Baffle hole diameter 232 mm
Overall depth 122 mm
Flange thickness 11 mm
Net weight 3 kg
Materials of construction
Diaphragm material Treated Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 65 mm
Coil material Aluminum
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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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