18s ND4015BE 8 Ohm

18s ND4015BE 8 Ohm
2.388,32 € * 4.641,00 € * (48,54% gespart)
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Lieferzeit 4-5 Werktage

  • SW10325
ND4015BE is a 1.5 inch exit, 4" voice coil neodymium compression driver that has been designed... mehr
Produktinformationen "18s ND4015BE 8 Ohm"

ND4015BE is a 1.5 inch exit, 4" voice coil neodymium compression driver that has been designed for
uncompromised quality sound systems application. The 100mm (4in) diameter composite material
diaphragm is made with a beryllium dome positioned on a polymer surround. With its very high value
of elasticity modulus, beryllium is capable of double the stiffness of titanium or aluminum with great
benefits in transient response and reduced distortion. The piston frequency range motion extends
frequency by 25%, showing a predictable, ideal frequency response decay and avoiding high
frequency spurious resonances. The edge-wound aluminum voice coil, wounded on Nomex former,
completes diaphragm assembly. Thanks to its physical properties, the Nomex former shows 30%
higher value of tensile elongation at working operative temperature (200°C) when compared to
Kapton. The ND4015BE extremely powerful neodymium magnet assembly has been designed to
obtain 22 KGauss in the gap for major benefits in transient response. The motor structure,
throughout the precisely coherent phase plug with 4 circumferential slots and copper ring on the
pole piece, reduces inductance effect and distortion. Four top plate air ducts have been designed to
act as a loading chamber for the diaphragm, implementing mid band distortion and response figures.
The custom designed O-ring creates a tight seal between the plate and the cover assuring air
chamber loading. Excellent heat dissipation and thermal exchange are guaranteed by the direct
contact between the magnetic structure and the aluminum cover which gives a lower power
compression value. A special epoxy coating is applied to the ring magnet and the top and back
plates of the magnetic structure making the driver more resistant to the corrosive effects of salts
and oxidization.

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