i think i finally came to a decision that im gonna get an infinity kappa perfect 12.1D. im gonna build a ported box tuned to 32hz and 1.5cf. its gonna be running off an xtant A3001 so each voice coil is gonna get round 150 watts each. any objections or comments? i was looking for sql too. by they way im only buyin a new sub, love the amp too much.