So i got a hand me down sub a couple days ago (my buddy upgraded to a sa12) and decided to build a box for all three lol. So now i have 2 batteries, one 140a gm alternator, one stock 90a alternator, big three, 1/0g wire, 3 pa gothic 12s wired at 2.6ohms, a hifonics bre2500.1d (yes, i know its...