Subwoofer port

Jeppe larsen New member Username: Jeppe80 Post Number: 1 Registered: Feb-15	Posted on Saturday, February 28, 2015 - 11:48 GMT Hi guys. I'm building a subwoofer box with two soundstream x182 subs. According to soundstream each sub has to have 3 4" round ports. How do I convert/calculate this to a square port?? Regards Jeppe
joe durkham Gold Member Username: Joe1234 Post Number: 2021 Registered: May-09	Posted on Thursday, March 05, 2015 - 07:33 GMT Do a 12 cubes net box tuned in the mid to low 30s 160 square inches of port area. Get Torres calculator to do the numbers.