Regardless of the SUB, in question, "room treatment " or NOT .
Room Placement is No Less, if Not MORE critical, than for your Monitors.
In Most cases, You would Never place Those in a Corner.
Yet for Subs, that " Home Theater " approach persists !
Getting a SUB, to boost It's output by Corner Placement:
Boosts & exaggerates the 300 hz region (for sure) That's easy. But terrible for Music !
Stands (As They may have to be taken off...