can any one on here desing bandpass boxes? i acquired 2 12'' hifonics subs there very old schoool lol have a nice purple surrounding too . cant find no specs or nothin on them at all on think i know if that there 300w 8 ohm svc (LMAO) and says there optima in small sealed enclosure's...... so i thought i would have some fubn wth em and see how loud i get get the for shit n giggles any one wanna help