I bet you could losen the screws and put a thin bead of clear sealant and then retighten, but that would be Axioms call. The good thing is unless I was doing any testing at various test tones I didn't hear it, so was a moog point during movies.

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