I didn't go to that extreme and I have no issues with 3 subs or extremely loud explosions. Just regular drywall with regular one-sided paper insulation in ceiling above drywall. The only time I get vibrations is when the kids are jumping around upstairs which I nip in the butt real fast..
Yeah, It's an unknown that I don't want to take a chance with.
Today when watching movies (or playing music for that matter) at any volume what so ever ... especially if they go boom. I get requests to turn it down or put on headphones. Want to make damn sure that does not happen in the HT ... otherwise I'll only be able to use it when the wife is out.
