At one time I had planned to build a special shelf to sit my VP150 on top of my horizontal EP600. Axiom recommended I do not do this, not because of any sound issues, but vibration issues from the sub.

I would be more concerned about how this will affect your TV, not a good thing.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85