Eighteen Sound 12NCX750H

Eighteen Sound 12NCX750H
General Specifications Datasheet
Brand Eighteen Sound
Reference 12NCX750H
Manufacturer website www.eighteensound.com
Size 12 in
300 mm
Type Coaxial
Impedance Z 8 Ω
Minimum impedance Zmin 6.4 Ω
Nominal Power P 400 W
Program Power Pmax 800 W
Sensitivity SPL 95.3 dB
Usable frequency range 60 - 15000 Hz
Recommended crossover 1800 Hz
Eighteen Sound 12NCX750H Directivity map
Eighteen Sound 12NCX750H Directivity map
Eighteen Sound 12NCX750H Frequency response
Eighteen Sound 12NCX750H Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 58 Hz
Surface area of cone Sd 531 cm²
DC resistance Re 5.4 Ω
Mechanical Q Qms 6.42
Electromagnetic Q Qes 0.31
Total Q factor Qts 0.29
Mechanical suspension compliance Cms 158 µm/N
Compliance equivalent air volume Vas 63 liters
Moving mass Mmd 39.94 g
Moving mass (including airload) Mms 47 g
Mechanical resistance Rms 2.67 N·s/m
BL product BL 17.5 T·m
Voice coil inductance Le 0.62 mH
Maximum linear excursion (one way) Xmax 5.5 mm
Maximum mechanical limit (one way) Xlim 13.5 mm
Efficiency η₀ 3.8 %
Efficiency bandwidth product EBP 187
Effective diaphragm diameter Ø 26 cm
Import this driver in a simulation software:
WinISD 18Sound 12NCX750H.wdr
Hornresp 18Sound 12NCX750H.txt
Basta! 18Sound 12NCX750H.bastaelement
Eighteen Sound 12NCX750H Dimensions
Dimensions
Overall diameter 310.0 mm
Baffle hole diameter 280.0 mm
Overall depth 148.5 mm
Flange thickness 14 mm
Net weight 4.7 kg
Materials of construction
Diaphragm material Water Resistant Pulp
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 75 mm
Coil material Copper
Magnet Parameters
Magnet material Neodymium
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 12NCX750H 400 95 58 531 6.42 0.31 63 5.5
Eighteen Sound 12NCX750 400 97 58 531 6.42 0.31 63 5.5
Eighteen Sound 12W600 450 96 50 531 5.87 0.32 73 6.5
SICA 12 PF 3 500 96 47 531 5.80 0.42 77 5.5
SICA 12 S 3 PL 400 96 42 531 6.10 0.36 77 7.0
Eighteen Sound 12LW800 500 96 52 531 7.60 0.30 48 6.5
LaVoce WAF122.50 350 97 55 544 7.90 0.40 55 6.0
Fane SOVEREIGN 12-500LF 500 95 50 576 7.50 0.53 66 5.5
SICA 12 Cx 3 CP 400 98 49 531 7.21 0.35 73 4.5
Eminence DELTA-12LFA 500 95 51 507 7.28 0.51 68 4.8
Fane SOVEREIGN 10-300 300 98 58 378 6.08 0.33 41 5.5

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