The wood base (not BASS) is somewhat loose on one of my SDA SRSs. I haven't had time to get into it yet, so I'm seeking advise from those of you who have. My understanding is that the wood tops and bottoms can be replaced, so I'm guessing that if I take the passive radiator out, there should be some fasteners I can tighten. Is this assumption correct or am I all wet? Thanks for the help!