Hello again! You may remember awhile ago I undertook a project based on urging from Har and F1nut to upgrade my RTA11t's to 11tl's and completely upgraded the crossovers. At the time Michael Percy suggested deflex damping sheets for the cabinets. I didn't use them, but now I'm thinking maybe I should have used something like deflex or black hole 5 on the interior of the cabinet. Has anyone done this? What did you use? Did you / should you cover the entire inside, just behind the drivers, top and bottom?!? The 11tl is a pretty big cabinet and I don't recall too much braceing in there other than by the tweeter.
As far as the upgrade and sound go - Absolutely loving it! I've done a couple system things since then too and it just continues to get better and better. The detail and crispness of the speakers is just outstanding now! Much, much better. And not nearly as bright with the SL3000 tweeter!