Sound Deadening: Closed-Cell Foam

[audioholic 5,000+ posts]

Honestly you are arguing semantics.
Even using your figures (which if you have any actual data to support, I would be interested in seeing) I would consider 20% to be little, as I stated. Since for some odd reason people on forums like to describe a sub's output and sound quality attributes using percentages; If you said a sub had "80% SPL and 20% SQ", how would you likely describe it's accuracy? You would probably say it had little accuracy.

Yes, mat deadeners are going to reduce structural noise and are going to have the ability to block some noise/frequencies entering the cabin.

It's barrier loading properties are relatively poor, especially compared to something designed to function in that capacity (such as foams). If you are wanting to absorb sound and combat airborne noise, mat is not going to be very effective.

Actually I was disagreeing with the 'nothing' part of your comment "They do little to nothing in terms of actually absorbing sound waves." and I went on to expand upon why I felt so. If anyone is arguing semantics, it would be you, as you seem to be agreeing with everything I stated (generally).

You made a one-liner about mat performance, I went into further detail... do you disagree with my assessment? //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

No, I have no data to back up my 80/20 figures, which is why I said "I consider...". Take that with any grain of salt you want, ti was not meant as some accurate statistic, it was a rough generalization of the situation based on personal experience ... sorry I thought that would be more obvious I guess.

Cheers. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif