HP Coaxials

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Eighteen Sound 12CX800

Archived
Coaxial speaker 18 Sound 12CX800, 8+8 ohm, 12 inch 8+8 ohm

The 12CX800 is a 12" - 1.4" coaxial transducer designed for use in compact reflex enclosures and stage monitors as small as 30 lt, with a nominal dispersion of 70 degrees. The state-of-the-art 75 mm (3 in) LF aluminum voice coil employs our Interleaved Sandwich Voice coil (ISV) technology, in which a high strength fiberglas former carries windings on both the outer and inner surfaces to achieve a balanced coil with a uniform distribution of mass and motion energy. This results in an extremely linear motor assembly. The low profile smooth curvilinear LF cone provides a smooth response within its intended frequency range and maximum reliability under high mechanical stress. The neodymium 1.4" exit HF compression driver used is our ND1480 model. A further thermal power handling capacity has been added thanks to high temperature ferrofluid added in the gap. The HF driver diaphragm assembly uses a high strength high temperature treated Nomex voice coil former joined directly to the titanium dome on its upper bend edge. This assures extended frequency energy transfer giving improved linearity and unparallel reliability when compared to a usual straight former joint. The HF motor structure utilizes a precisely machined coherent phase plug with 3 circumferential slots and a copper ring on the pole piece. This last feature reduces the inductance figure of frequencies above 10 kHz, improving phase and impedance linearisation. A specific dedicated horn's throat design has also been chosen by Eigtheen Sound engineers, maximizing the cone's profile coupling. With the increasing use of high power audio systems at outdoor events, the ability to perform in adverse weather conditions is another excellent feature of the 12CX800. This has been achieved using exclusive cone and magnet plate treatment processes which increase resistance to corrosion and make the cone water repellent.

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022128CX00
022128CX00

Eighteen Sound 15NCX750H

479.25 IT/piece
Supplied on order
Coaxial speaker 18 Sound 15CNX750H, 8+8 ohm, 15 inch

The 15NCX750H is a 15" neodymium coaxial transducer designed for use in compact reflex enclosures and stage monitors as small as 40lt with a nominal dispersion of 70 X 50 degrees.

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022128CX00
022158NCH0
022128CX00
022158NCH0

Eighteen Sound 15CX1000

Archived
Coaxial speaker 18 Sound 15CX1000, 8+8 ohm, 15 inch 8+8 ohm

The 15CX1000 is a 15" – 1.4" coaxial transducer designed for use in compact reflex enclosures and stage monitors as small as 50 lt with a nominal dispersion of 70 degrees. The low profile, carbon fiber reinforced, smooth curvilinear LF cone provides smooth response within its intended frequency range and exceptional strength, with maximum reliability under high mechanical stress. The state-of-the-art 100 mm (4 in) LF voice coil employs our Interleaved Sandwich Voice coil (ISV) technology, in which a high strength fiberglas 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. A copper-shorting ring on the LF section plates has been adopted to reduce inductance and improve transient response. Hence, the intermodulation distortion figure has been heavily improved. The neodymium 1.4" exit compression driver adopted is our ND1480 model, which has been given further thermal power handling capacity by adding high temperature ferrofluid in the gap. This has improved the thermal exchange properties even more. The HF driver diaphragm assembly, using a high strength, high temperature treated Nomex voice coil former joined directly to the titanium diaphragm on its upper bend edge, assures extended frequency energy transfer. This improves linearity and shows unparallelled reliability when compared with a usual straight former joint. The HF motor structure utilizes a precisely machined coherent phase plug with 3 circumferential slots. A copper ring on the pole piece reduces the inductance figure of frequencies above 10 kHz, improving phase and impedance linearisation. A specific design has been chosen by Eighteen Sound engineers 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 15CX1000. This has been achieved using exclusive cone and magnet plate treatment processes which increase resistance against corrosion and make the cone water repellent.

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022128CX00
022158NCH0
022158CX10 8 Ohm
022128CX00
022158NCH0
022158CX10 8 Ohm

Eighteen Sound 8CX400F

205.03 IT/piece
In stock
Coaxial speaker 18 Sound 8CX400F, 8+8 ohm, 8 inch 8+8 ohm

The 8CX400F coaxial transducer is a 8 inch - 1 inch coaxial driver combining excellent linearity with good efficiency and power handling capabilities. It is primarily intended for compact reflex enclosures and, because of its versatile characteristics, may also be used in multiway systems or ceiling applications. Its nominal dispersion is 90 degrees. The curvilinear, paper LF section cone is formed using a unique wood pulp composition designed to achieve the best possible rigidity and stiffness. A polycotton multiroll surround to provide increased excursion whilst controlling break up modes carries it. The 51mm Ø state-of-the-art, aluminum wire voice coil employees same technology of that fitted to our top-of-the-range models using our Interleaved Sandwich Voice coil (ISV) technology. In essence, a high strength Fiberglas former is used to carry windings on both the outer and inner surfaces to achieve a mass balanced coil. This results in an extremely linear motor assembly, which, in conjunction with the highly advanced design of the magnetic structure, provides a high force factor or BL. The high frequency driver incorporates a polyester material diaphragm for best movement and stress control; the special radial ribs increase stiffness avoiding uncontrolled vibration modes in the usable frequency range. An edge-wound copper clad aluminum voice coil wounded on treated Nomex completes the diaphragm assembly. A computer aided FEA has been used in order to maximize the cone profile coupling and to control the energy in the desired frequency range. A dedicated high quality passive crossover network is available upon request. With the increasing use of outdoor audio events, the ability to perform in humid environments is another feature of the 8CX400F. This is achieved by means of exclusively developed humidity repellent cone treatment.

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022128CX00
022158NCH0
022158CX10 8 Ohm
022088CX10 8Ohm
022128CX00
022158NCH0
022158CX10 8 Ohm
022088CX10 8Ohm

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