Below is an image that may interest some of you. Lets make a few things clear. 1)These volumes are NOT ideal for the tumult, but are for the Tempest. A BFD or LT can easily adjust your Q to taste. 2) These are unibox simulations. No leaks and No fill were selected to best approximate the Q and Vb listed on adire. 3) At 250 watts, the tempest is just at the linear excursion limit right till around 15hz where it just slightly crosses 4) The tumult is linear in ALL graphs from 10hz on up, except for 1250 watts where it exceeds linear xmax at about 15hz. I will have plots of the 230L (tempest Q=0.557) and the 65L (tempest Q=0.9) that adire lists later on. I have class soon and couldn't finisht them in time for this post. IF ANYONE WANTS TO SEE ANY OTHER PLOTS....let me know the specifics and I can generate them. I figured that this would be the most interesting. The equivalent ported comparison isn't because the Tumult really wants PR's IMO...and with most tempests in a sonotube, this just isn't going to happen (as a drop in replacement) Enjoy!