Eighteen Sound 10NMB420

Eighteen Sound 10NMB420
General Specifications Datasheet
Brand Eighteen Sound
Reference 10NMB420
Manufacturer website www.eighteensound.com
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
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 27.79 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 20.99 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 260.0 mm
Baffle hole diameter 232.0 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
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 10NMB420 350 99 65 346 4.60 0.36 30 4.0
B&C Speaker 10MBX64 350 99 65 346 4.00 0.28 26 4.5
Eminence DELTA-10A 350 99 66 345 6.53 0.35 31 3.5
Eighteen Sound 10NMB520 300 100 64 340 4.00 0.36 43 4.0
B&C Speaker 10HPL64 200 99 61 320 4.50 0.33 32 4.0
Eighteen Sound 10M600 400 102 70 350 4.50 0.25 26 4.0
Eighteen Sound 10NMBA520 300 101 60 350 4.20 0.24 42 4.0
Celestion BN10-300X (4) 300 96 64 348 3.33 0.50 29 4.0
LaVoce WAF102.50A 250 97 71 347 4.20 0.36 29 5.0
SICA 10 Fe 2,5 CP 300 96 57 346 4.23 0.40 40 4.0
Celestion CF1025C 300 99 58 346 3.91 0.31 36 2.5

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