Eighteen Sound 15NMB420

Eighteen Sound 15NMB420
General Specifications Datasheet
Brand Eighteen Sound
Reference 15NMB420
Size 15 in
380 mm
Type Low frequency
Impedance Z 8 Ω
Nominal Power P 450 W
Program Power Pmax 700 W
Sensitivity SPL 99 dB
Usable frequency range 40 - 5000 Hz
Recommended crossover 1700 Hz
  • 99 dB SPL 1W / 1m average sensitivity
  • 75 mm (3 in) Interleaved Sandwich Voice coil (ISV)
  • 450 W AES power handling
  • External neodymium magnet assembly
  • Single Demodulating Rings (SDR) for lower distortion
  • Weather protected cone and plates for outdoor usage
  • Specially designed for compact two way systems
Eighteen Sound 15NMB420 Frequency response
Eighteen Sound 15NMB420 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 42 Hz
Surface area of cone Sd 900 cm²
DC resistance Re 5.6 Ω
Mechanical Q Qms 6.00
Electromagnetic Q Qes 0.30
Total Q factor Qts 0.29
Mechanical suspension compliance Cms 196 µm/N
Compliance equivalent air volume Vas 225 liters
Moving mass Mmd 57.4 g
Moving mass (including airload) Mms 73 g
Mechanical resistance Rms 3.2 N·s/m
BL product BL 19 T·m
Voice coil inductance Le 0.8 mH
Maximum linear excursion (one way) Xmax 6.5 mm
Maximum mechanical limit (one way) Xlim 18 mm
Efficiency η₀ 5.37 %
Efficiency bandwidth product EBP 140
Effective diaphragm diameter Ø 33.9 cm
Import this driver in a simulation software:
WinISD 18Sound 15NMB420.wdr
Hornresp 18Sound 15NMB420.txt
Basta! 18Sound 15NMB420.bastaelement
Eighteen Sound 15NMB420 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 Polycotton
Voice Coil Parameters
Voice coil diameter 75 mm
Coil material Aluminum
Similar drivers
Eighteen Sound Power 450 W
15W700 Fs 38 Hz
15" Low frequency Qts 0.30
99 dB Vas 217 L
38 - 5000 Hz Xmax 6.5 mm
Eighteen Sound Power 400 W
15ND730 Fs 44 Hz
15" Low frequency Qts 0.29
99 dB Vas 156 L
44 - 4000 Hz Xmax 6.5 mm
LaVoce Power 400 W
NBASS15-30 Fs 42 Hz
15" Bass Guitar Qts 0.37
98 dB Vas 140 L
40 - 4000 Hz Xmax 6.6 mm
B&C Speaker Power 400 W
15CL76 Fs 42 Hz
15" Woofer Qts 0.33
98 dB Vas 135 L
40 - 3000 Hz Xmax 7 mm
SICA Power 400 W
15 Fe 3 CP Fs 40 Hz
15" Qts 0.33
99 dB Vas 170.4 L
40 - 2000 Hz Xmax 5.5 mm
LaVoce Power 500 W
WAF153.00 Fs 45 Hz
15" Woofer Qts 0.37
99 dB Vas 146 L
45 - 3000 Hz Xmax 7 mm
Beyma Power 400 W
15WR400 Fs 36 Hz
15" Subwoofer Qts 0.30
99 dB Vas 224 L
35 - 4000 Hz Xmax 6.3 mm
Eighteen Sound Power 450 W
15ND830 Fs 39 Hz
15" Low frequency Qts 0.32
98 dB Vas 213 L
38 - 5000 Hz Xmax 6.5 mm
Beyma Power 400 W
15CXA400Nd Fs 40 Hz
15" Coaxial Qts 0.36
98 dB Vas 196 L
35 - 20000 Hz Xmax 6 mm
SICA Power 400 W
15 K 3 PL PL Fs 40 Hz
15" Qts 0.27
99 dB Vas 166.1 L
40 - 2000 Hz Xmax 6.5 mm

LoudspeakerDatabase.com is not affiliated with Eighteen Sound.
This page may contain errors or inaccuracies. Please check the up-to-date specifications on the manufacturer website before starting your project.

107 ms