I just ordered a Mesa 1x12 3/4 back cab to use with my 2 chan dual rectifier. based on things i have herd here and trying different cabs in the store. The thing is at the store they claim I will definitely blow the speaker. because a 100wattt amp is too much for a 90 watt speaker. But i ordered it anyway. Am I going to be sorry? Just wondering how many people have had good experiences with this setup? thanx.