18 -sound ND 2060-A High Frequency Neodymium Driver (8 of 16 o

Beschrijving

Key features

• • 110 dB 1W/1m average sensitivity
  • 2 inch exit throat
  • 3 inch edgewound aluminum voice coil
  • 160 W program power handling
  • Aluminum PEN diaphragm
  • Neodymium magnetic structure
  • Excellent thermal exchange

Description

The ND2060A 2 inch exit neodymium HF compression driver has been designed for high quality sound systems application.
The
ND2060A diaphragm assembly is composed by an aluminum dome sandwiched
to a proprietary treated PEN (polyethylene naftalate) suspension. This
design maintains low resonance and lowers the minimum crossover point
value at 800 Hz. The composite diaphragm assembly is made by an
aluminum dome strongly joined to the PEN suspension, in order to assure
unmatched transient response. The lower density of the aluminum and PEN
structure permits higher levels of sensitivity, especially in the
mid-high frequency range.
A bended former edge-wound aluminum 75mm
voice coil completes the diaphragm assembly. The proprietary treated
Nomex former material shows 30% higher value of tensile elongation at
working operative temperature (200?C) when compared to Kapton.
Moreover, Nomex is suitable to work also in higher moisture contents
environments. The bended former is joint in a sandwich configuration
between PEN suspension and the aluminum dome, assuring extended
frequency energy transfer for improved response linearity and
unparallel reliability.
Through careful use of elementary pieces of
neodymium magnets, Eighteen Sound engineers have developed a powerful
neodymium magnet assembly able to reach 19 KGauss in the gap in a
compact and lightweight structure. The motor structure, throughout the
precisely coherent phase plug with 3 circumferential slots and copper
ring on the pole piece, reduces inductance effects and distortion. Four
top plate air ducts were 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 that allows to obtain a lower
power compression value.
For the increase in use of high power
audio systems at outdoor events or in marine environments, the ability
to perform properly under inclement weather conditions is a key-point.
The special coating applied to the magnet and the top and back plates
of the magnetic structure makes the ND2060A compression driver
resistant to the corrosive effects of salts and oxidization.