18 Sound 12NCX910N NITRIDE 8 Ohm 12″ 450W / 120W Coaxial Loudspeaker
The Eighteen sound 12NCX910N used a Nitride coated diaphragm that add more clarity without harshness.
LF General Specifications
Nominal Diameter 300 mm (12 in)
Rated Impedance 8 Ohm
AES Power 450 W
Program Power 900 W
Peak Power 1800 W
Sensitivity 99.5 dB
Frequency Range 60 ÷ 4000 Hz
Max Recomm. Frequency 1800 Hz
Recomm. Enclosure Volume 25 ÷ 75 lt.
Minimum Impedance 6,4 Ohm at 25°C
Voice Coil Diameter 75 mm (3 in)
Voice Coil Winding Material copper
Suspension M roll, polycotton
Cone Curvilinear, Water repellent, High damping pulp
Fs 57 Hz
Re 5,3 Ohm
Sd 0,0531 sq.mt. (82.31 sq.in.)
Qms 10.0
Qes 0.31
Qts 0.3
Vas 58 lt. (2..05 cuft)
Mms 53 gr.
BL 18.1 Tm
Mathematical Xmax ± 6.9 mm
Le (1kHz) 0.78 mH
Half space efficiency 3.4%
Xvar ± 7.5 mm
EBP 183
HF General Specifications
D.C. Resistance 6,1 Ohm
Continuous Power 110W above 1,1 kHz
Max. program power 220W above 1,1 kHz
Sensitivity 108 dB
Frequency Range 0.9 ÷ 18 kHz
Min Xover Frequency 1.5 kHz
Voice Coil Diameter 76 mm (3 in)
The 12NCX910N is a 12″ diameter neodymium coaxial transducer designed for use in compact reflex enclosures and stage monitors as small as 25 lt with a nominal dispersion of 80 degrees.
The curvilinear profile LF cone provides smooth response within its intended frequency range thanks to its high damping pulp composition.
The 75 mm (3 in) LF copper voice coil employs our Interleaved Sandwich Voice coil (ISV) technology, in which a high strength former carries windings on both the outer and inner surfaces. This results in a balanced coil with a uniform distribution of mass and motive energy and an extremely linear motor assembly.
The low distortion and sound quality are further improved by an aluminum demodulating ring (SDR technology) that flatten LF impedance and phase with a constant power transfer. Equipped with proprietary architecture, the integrated HF compression driver has been designed to give smooth coherent wavefront in the horn entrance in all working frequency range and high level manufacturing consistency, assuring low distortion and remarkable improvements in mid-high frequency reproduction. A copper ring on the pole piece reduces the inductance figure of frequencies above 10 kHz, improving phase and impedance linearization.
The 3″ diameter HF diaphragm assembly uses a high strength, high temperature treated Nomex voice coil former joined directly to the titanium diaphragm which is treated with our proprietary nitride coat to improve stiffness, assuring extended frequency energy transfer. This improves linearity and shows unparalleled reliability when compared with a straight former joint.
A specific HF exit profile design has been chosen in order to maximize the cone’s profile coupling.
Due to the widespread use of high power audio systems at outdoor events, the ability to perform in adverse weather conditions is an additional key feature of the 12NCX910N. This has been achieved using exclusive cone and magnet plate treatment processes which increase resistance against corrosion and make the cone water repellent.
50 years of experience of designing, building and supplying Home, Car and Professional Audio.
Huge stocks of leading loudspeakers and audio brands
KEF, Celestion, Eminence, WGS, Montage, BMS Speakers, Faital Pro, Eighteen Sound, Ciare
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For more information please contact us at: +44(0)1473 744089
Or Email us at: sales@lean-business.co.uk
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