Quote Originally Posted by cradeldorf View Post
Okay, I hooked up my DATS to the speaker and did an impedance sweep.Okay, according to my altec literature my port is too small...I wish there was a way to determine how much larger to go? BTW the tuning frequency at the bottom of the dip where the phase crosses zero is 47.1hz
Yep in a BR cabinet, first hump bigger = port too large, second hump bigger = port too small.