I tend to stuck between 11 - 16 square inches per cube.
.6 - .75 sealed, 1.2 - 1.5 ported, after displacements. 43 - 45 hz tune. Aeros work, I just prefer slot
ahh ok, well yeah its hard to get 11-16 per cube using aeros, but i've heard that port placement matters a lot in fourth order, could you elaborate on this?? like does it matter if sub up/ port side, or sub side/ port up?