Regardless of what subwoofer you choose just be sure to decouple it from the floor.
Down firing sub on concrete floor.
It is best to lay the flooring plastic side down directly onto the cement floor.
If the result is more to your liking then you are on to something.
In simplest terms a good down firing sub can perform equally well to a good front firing sub.
The domino effect starts because of the shaking of the subwoofer box.
Remove any carpet or other flooring.
Learn how to install beautiful hardwood floors over a concrete slab.
That will depend on what type of music you listen to if you don t like what you see move the sub to a mid wall location and repeat the sweep.
One is not inherently better than the other.
Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system.
Multiply length times width of the room.
Repeat the move measure process as many times as necessary to find the best general location for the sub.
There is no reason to avoid one design or the other.
Add about 10 to that number to account for any possible mistakes and warped boards.
Now it is time to fine tune.
Treat the cement floor with a concrete sealant prior to installation if you find that your floor seems damp wet or that it collects moisture.
A down firing subwoofer box produces a domino effect if placed inside a room.
If you have a vinyl floor you may be able to install your flooring directly on top of it.
And since the shaking directly affects the floor the floor starts shaking.
Determine how much flooring and materials will be needed.