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Europa-List: Re: the Obsidian Files - So Much Noise!!!

Subject: Europa-List: Re: the Obsidian Files - So Much Noise!!!
From: Area-51 <goldsteinindustrial@gmail.com>
Date: Wed, 15 Mar 2023 18:16:49

Peter, the material functions by absorbing specific high and low frequency waves
of the audible spectrum; its material design purpose is for eliminating 
resonance
drumming on automotive panels.

The plenum box on 181 is very thin fibreglass, so its like a drum skin stock 
untreated.

Everyone's ears will respond somewhat differently to sound waves, so results 
will
be perceived differently.


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=510425#510425



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