Homa good morning gentlemen .. I would like to ask you a question ... I need help on building a bass box for a 15-inch woofer of 200 rms ... The idea is in a cube ... Someone will have plans to make shaped speakers of simple cubes ... The idea is to make cubes separately from serious and acute means is something that I have in mind and I would like to have plans of cubes for serious and from there I am orienting to make the medium and acute