I see what your sayin here,here is the options i have or should I say the amps i have to work with:2 sa-2 amps,I also I have a extra sa-3 amp in the box that I would have to have repaired and a sw2pi.
1.use the 2 SA-2's bi-amp the 2.5 and be done with it(if its worth it)
2.Use a single sa-3...