18 -sound ND 2080 High Frequency Neodymium Driver (8 of 16 ohm

Beschrijving

Key features

• • 110 dB SPL 1W / 1m average sensitivity
  • 2 inch exit throat
  • 3 inch edgewound aluminum voice coil
  • 200 W program power handling
  • Pure Titanium diaphragm assembly
  • Neodymium ring magnetic structure
  • Excellent thermal exchange

Description

The ND2080 2-inch exit high frequency compression driver has been designed for high quality sound systems application.
The
titanium diaphragm is produced in house and has been developed to
assure unmatched transient response. The diaphragm assembly is made by
joining the former directly to the titanium dome on its upper bend
edge. In comparison with a usual straight former joint, the driver
design assures extended frequency energy transfer for improved response
linearity and unparallel reliability. This feature allows proper motion
control of the dome in real working conditions. A proprietary treated
Nomex former is used as Nomex shows a 30% higher value of tensile
elongation at a working operative temperature (200?C) when compared to
Kapton. Moreover, this proprietary former material is also suitable for
use in higher moisture content environments.
The ND2080 powerful
neodymium magnet assembly has been designed to obtain 22KGauss in the
gap for major benefits in transient response. The motor structure,
throughout the precisely coherent phase plug with 3 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
leads to a lower power compression value.
Due to the increasing
use of high power audio systems at outdoor events or in marine
environments, the ability of equipment to perform properly under
inclement weather conditions is a key feature of Eighteen Sound
philosophy. Hence, a special treatment is applied to the magnet and the
top and back plates of the magnetic structure making the driver more
resistant to the corrosive effects of salts and oxidization. This
treatment is more effective than any other treatment used by other
manufacturers.