Because of the special sound absorption power and the configuration e, which is intended to reduce the effects of
diffraction, it is possible to in increase the virtual height of the anti-noise barrier as a function of the diameter of the damper
itself.
The noise damper is essentially made of an polygonal aluminium perforated external cover, with an internal cylindrical support and a cupel made of sound absorbing material.
The system is very flexible in that, thanks to a special coupling system, it can easily be installed on any type of
barrier.
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