Eighteen Sound 8NCX900

Eighteen Sound 8NCX900
Eighteen Sound 8NCX900
General Specifications
Brand Eighteen Sound
Reference 8NCX900
Manufacturer website www.eighteensound.com
Size 8 in
210 mm
Type Coaxial
Impedance Z 8 Ω
Minimum impedance Zmin 6.8 Ω
Nominal Power P 300 W
Program Power Pmax 600 W
Sensitivity SPL 95 dB
Usable frequency range 100 - 23000 Hz
Recommended crossover 1300 Hz
Eighteen Sound 8NCX900 Frequency response
Eighteen Sound 8NCX900 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 130 Hz
Surface area of cone Sd 230 cm²
DC resistance Re 4.9 Ω
Mechanical Q Qms 8.00
Electromagnetic Q Qes 0.27
Total Q factor Qts 0.26
Mechanical suspension compliance Cms 53 µm/N
Compliance equivalent air volume Vas 4 liters
Moving mass Mmd 22.99 g
Moving mass (including airload) Mms 25 g
Mechanical resistance Rms 2.55 N·s/m
BL product BL 19 T·m
Voice coil inductance Le 0.6 mH
Maximum linear excursion (one way) Xmax 3.2 mm
Maximum mechanical limit (one way) Xlim 7.5 mm
Efficiency η₀ 3.2 %
Efficiency bandwidth product EBP 481
Effective diaphragm diameter Ø 17.11 cm
Import this driver in a simulation software:
WinISD 18Sound 8NCX900.wdr
Hornresp 18Sound 8NCX900.txt
Basta! 18Sound 8NCX900.bastaelement
Eighteen Sound 8NCX900 Dimensions
Dimensions
Overall diameter 225.0 mm
Baffle hole diameter 184.0 mm
Overall depth 127 mm
Flange thickness 11 mm
Net weight 4.5 kg
Materials of construction
Diaphragm material Titanium
Diaphragm shape Straight
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 75 mm
Coil material Copper Clad Aluminum
Magnet Parameters
Magnet material Neodymium
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 8NCX900 300 95 130 230 8.00 0.27 4 3.2
Beyma 6MI100 250 94 128 140 8.60 0.55 3 3.0
FaitalPRO 6PR150 8Ω 300 97 100 129 8.80 0.35 4 2.7
Beyma 6MI90 125 96 134 140 8.40 0.44 3 2.5
Celestion CF0617M 200 96 136 154 7.49 0.60 4 1.2
Beyma 6G40Fe 170 94 102 140 9.25 0.42 5 3.1
FaitalPRO 6HX150 8Ω 300 93 88 130 8.30 0.35 6 4.4
FaitalPRO 6FE200 4Ω 260 95 120 118 6.20 0.51 4 4.6
FaitalPRO 8PR155 8Ω 400 97 85 207 8.80 0.39 9 3.6
Eighteen Sound 8NMB750 350 94 91 230 5.90 0.39 7 6.3
Eminence ALPHALITE 6A 100 94 126 130 6.51 0.61 5 3.5

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.

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