1. marcos65

    My 1st 4th order BP, single C2 Audio Threatcon-2 15

    So I thought I would try a 4th order bandpass build. I am using the same sub I had before in a 3.5 cubes ported enclosure tuned at 34hz. Single C2 Audio Threatcon-2 15 dual 4ohm VC. So I built this one. Specs are 2 cubes sealed, 3.5 ported at 45-46hz with a 50" of port area. Forgot to...