OK that makes sense, I'll try not to play too many sine sweeps and test tones till I get a battery, heh.
Tonight I am going to order a MB Quart ONX1.1500D and 2 dc audio lvl 3's.
To wire those to a 1 ohm load what would be better the d2 or d4? i'm guessing that d4=4ohm impedance per coil, so...