hey guys i wanna try makin a 2 chamber isobaric box with slot port on each end or a 3 chamber dual reflex with ports in each of the chambers, ive tryed doing some searching but very little hits....

i just want some input on some of these boxes

any1 with any experience with these types of boxes plz msg me

do you need to change the phase of the subs in a 3 chamber box? like you do when they are isobaric

Thx guys