That's cool, may as well use them if you have them. I did mine that way because the base of the mounts were wider than the joists and the ceiling is old school popcorn. Get a stud finder and get busy .:)

Oh and most importantly , they sound fantastic up there they blend wonderfully.

DOG is GOD spelled backwards.
What others think of me is none of my business.
M80 V3 MY GLOSS Cherry