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Subwoofer vibration foot isolators????

I have a SVS PB13 Ultra subwoofer(piano gloss black) and the feet are rather short(roughly 1/4-1/2 inch from floor). Can anyone suggest a vibration footer to raise the sub from floor(carpet) and be able to handle my 150 pound subwoofer to eliminate unwanted vibrations of the house. I tried different placements and the vibrations decreased by leaving about 2-3feet from the walls. I would like it raised off my carpet about another 1/2 to 1 inch more...I noticed 6 threaded feet on this beast....ALSO: basement room measures 18x23. Any suggestions!!!!!!!!
bacardi
elevick
2,638 posts
 
Don't you want the sub coupled to the floor? Putting it on isolation feet will muddy the bass. It should shake the house, not the other way around. For that matter, with carpet I would consider spikes and sand bags on top. Yes, keep it away from the walls a little. Just my 2 cents...
kr4's avatar
kr4
3,720 posts
 
If you want it to shake the house, it should do so, when appropriate, via the acoustical output, not via physical transmission from the sub enclosure to the floor.

OTOH, I do not want the sounds of my room or its contents contributing to the sound of the performance. Thus, either way, isolation devices can help.

Kal
fplanner2000
616 posts
 
Auralex works really well for my Velodyne DD-15.
theaudiotweak
2,806 posts
 
Bacardi,
Are you wanting better bass definition and as a result more resolute midrange? Is your system in the basement, carpet over concrete? Tom
brewed
39 posts
 
Kr4 got it right.

I have an SVS PC Ultra 13 that sits on a hearth that is three layers of flagstone. I thought that placement would be appropriate. But the room still shook. Not good.

Luckily I had a set of sorbothane pucks laying around to put under my beast and it was a major tweek to improve my bass. And I don't run hot at all.

Two "subdudes" would be a good start.
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