Just visit some sort of CNC/woodworking website, there are usually plenty of plans there and folks far more savvy when it comes to actual construction. Doubt you'll find much help here(but alas, maybe )hello guys i have built so.e speakers but alway bought plans. i want to build a sub with two tang band w5 and one 10" dayton reference passive radiator. also have a yung 100 watt plate amp. any help be great id even pay someone to design it thanks a bunch.