You can run the SM 9.2 into just one of your TC cabs, just under thermal rating by 100 w should be no problem. But if you know it will be loud, better to take both TC cabs, if you really push just one cab you could damage it.
It will probably fail through excursion limiting before thermal limiting, in a real-world playing situation, so keep alert for signs of cabinet over-excursion stress: farting out, excessive unpleasant distortion, or other bad grinding, scraping, or clicking sounds. Those mean time to turn down, and bring the 2nd cab to that gig next time.
But for new cabs, both suggestions above are very solid, plus Bergantino, or fEARful. I use a 15/6 fEARful, but used to use, with great success, the GB UB 212T cabinet, brother to the 410 listed above. Pairs very well with the SM 9.2, even though it is thermally rated 300 watts below the 9.2's 4 ohm output. It gets pretty darned loud without any cabinet stress at all, but if you're playing metal or prog or other gain-intensive music I would think about a Bergie 610.
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Last edited by HolmeBass : 10-27-2013 at 03:05 PM.