Eighteen Sound 6NMB900

Eighteen Sound 6NMB900
Eighteen Sound 6NMB900
General Specifications Datasheet
Brand Eighteen Sound
Reference 6NMB900
Manufacturer website www.eighteensound.com
Size 6 in
152 mm
Type Low Frequency
Impedance Z 8 Ω
Nominal Power P 200 W
Program Power Pmax 260 W
Sensitivity SPL 97 dB
Usable frequency range 200 - 7000 Hz
Recommended crossover 5000 Hz
Eighteen Sound 6NMB900 Frequency response
Eighteen Sound 6NMB900 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 95 Hz
Surface area of cone Sd 130 cm²
DC resistance Re 5.2 Ω
Mechanical Q Qms 2.87
Electromagnetic Q Qes 0.36
Total Q factor Qts 0.32
Mechanical suspension compliance Cms 430 µm/N
Compliance equivalent air volume Vas 10.3 liters
Moving mass Mmd 6.55 g
Moving mass (including airload) Mms 7.4 g
Mechanical resistance Rms 1.54 N·s/m
BL product BL 8.5 T·m
Voice coil inductance Le 0.1 mH
Maximum linear excursion (one way) Xmax 3 mm
Maximum mechanical limit (one way) Xlim 7 mm
Efficiency η₀ 2.57 %
Efficiency bandwidth product EBP 263
Effective diaphragm diameter Ø 12.87 cm
Import this driver in a simulation software:
WinISD 18Sound 6NMB900.wdr
Hornresp 18Sound 6NMB900.txt
Basta! 18Sound 6NMB900.bastaelement
Dimensions
Overall diameter 162.0 mm
Baffle hole diameter 148.0 mm
Overall depth 73 mm
Flange thickness 11.5 mm
Net weight 1.25 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 44 mm
Coil material Aluminum
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 6NMB900 200 97 95 130 2.87 0.36 10 3.0
Eighteen Sound 6NMB420 200 100 110 130 2.70 0.38 6 3.0
B&C Speaker 6MBX44 16Ω 200 98 115 132 2.90 0.41 4 3.5
FaitalPRO 6PR122 8Ω 240 97 110 129 3.30 0.44 4 2.8
B&C Speaker 6MBX44 8Ω 200 98 113 132 3.90 0.34 4 3.5
Celestion NTR06-1705B 150 95 110 133 2.63 0.53 4 2.5
Peerless by Tymphany FSL-0615R02-08 100 93 80 143 2.59 0.47 12 2.6
SICA 6 N 2 PL 200 92 68 123 4.02 0.36 9 3.5
FaitalPRO 6PR110 8Ω 300 96 100 129 4.20 0.60 5 2.8
Beyma 6CX200Fe 200 94 65 135 3.95 0.35 11 5.0
SICA 6 N 2,5 PL 300 93 80 123 3.05 0.29 5 4.5

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524 ms