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SVS Subwoofer Isolation feet. Will I lose bass?

Most of what I see about subwoofer isolation has to do with minimizing rattles or bothering the neighbors.  But what about a sealed subwoofer on a concrete slab?  Would these dampeners not "dampen" the bass as well?

My setup...  Dual SVS SB16s on a concrete slab.  I don't have a rattle problem and the room is 20ft tall so I can't afford to "lose" bass because of my shakey rubbery feet.  

I've read and seen many great things about these but I have a hunch it would hurt a sealed sub on a slab more than help.

dtximages
millercarbon's avatar
millercarbon
12,531 posts
 
I would post a link to his website, but every time I do he has it removed. He likes to mislead and insult, but never inform, and at the same time loves to sell the unsuspecting who stumble onto his flying saucer website. So you will have to search him out and find machina dynamica on your own. Then ask yourself how much time and effort you want to put into pursuing the advice of such a one.
geoffkait's avatar
geoffkait
23,365 posts
 
Hey, mc, are you huffing Clorox again? No offense intended.
millercarbon's avatar
millercarbon
12,531 posts
 
None taken. To offend calls for standing you don’t have.
geoffkait's avatar
geoffkait
23,365 posts
 
Good comeback. Did your mother write that for you?
erik_squires
15,989 posts
 
Isolation feet are not needed here and could be detrimental.

It probably won't hurt you as much as it would smaller speakers.  The idea is that you want the speaker to be rigidly fixed in all three dimensions without rocking.  The woofer's apply a great deal of energy against the cabinet. Even light rocking can reduce the output into the room.

You do want to prevent transmission from the cabinet to the floor, and create a vibration signal that reaches you at a different time than the acoustic one.
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