Subwoofer Isolation From The Floor

I am reading about isolating subwoofers from the floor using acoustic foam rubber feet etc.
Subwoofer isolation from the floor. The adjoining structures walls will be acting as selective frequency resononators. I use several hacks when setting up my home theater and the isolation hack is really dependent on your floor. But a 2 foot by 2 foot or 18 inch by 2 foot panel ready cut at the building supply store and put perhaps 3 layers of craft foam under it. It is claimed that isolating the sub.
And since more often than not the subwoofer is the only speaker that physically sits on the floor the next question is what effect that surface whether it s carpet or hard flooring might have on the subwoofer s sound quality. Home forums home audio video forums home cinema speakers subwoofers subwoofer isolation on floating floor. And when i refer to isolation i m referring to mass on spring mechanical isolation which normally entails some sort of spring steel spring or airspring design. Now you could make something like this yourself.
The design based on an auralex patent features a functionally inert 3 4 inch velour covered mdf platform supported by a 1 inch base layer of sturdy auralex platform that is an effective isolation boundary to decouple the subwoofer from the floor underneath. Vv click show more vv the list subw. De coupling a subwoofer from the floor results in inherently tighter and cleaner sounding bass. The svs soundpath subwoofer isolation system works with nearly every subwoofer brand and model to improve bass performance while reducing floor and wall vibrations noise artifacts and complaints from neighbors or roommates.
It s easy to forget one of the biggest surfaces and the effects it has on the soundscape. The sub dude ht s expanded size accommodates popular larger footprint home theater subwoofers. The floor is like a giant resonator for bass so isolation is a must to avoid angry neighbors. You need high density foam to keep the platform from flexing or vibrating which would result in loss of movement to the speaker itself.
In addition to adding physical decoupling by setting the subwoofers on a decoupling structure you can isolate the frequency band s that are of the dominant amplitude and notch these significantly reducing some of the frequencies without too much audio degradation. 1 minimises sound transfer through the floor apartment building 2 improves the sound. It also provides a more focused low end in your listening with a tighter stereo field reproduction.