Got an xfl 15 in 3.6 cubes tuned to 29hz. Sounds very flat and gets down low pretty hard. Search my started threads and I got a video of it in the database if you wanted to see it in action.
No.. subs don't magically change by tuning 4hz differently... Most of what people attribute to subs liking to be tuned in a certain range is simply what the average owner of that sub likes. AB makes groundpounder daily subs leaning toward SPL a lot like an AQ ... So people say it likes mid 30s tuning s that is what the average person. Looking at AB would tend to want...