Does sub back/port up = sub up/port back?

[therock482 10+ year member]

In an suv it seems that people like to have a box with sub up and port back. I'm trying to save as much cargo space as I can so I'm think about mounting my sub vertical firing towards the back doors.

So can I fire the sub back and port up and be fine?

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[-01limited- 10+ year member]

No, in short more air is being moved by the ports than the sub so you want them unloading off something instead of just in the mostly open space. Should sound a lot louder with ports back instead of sub back.

 

[The_Grimy_One 10+ year member]

I'm no expert at boxes, but no, I don't think its the same.

 

[tommyk90 5,000+ posts]

If anything I would do sub back AND port back if you can't fire the subs up.

 

[therock482 10+ year member]

Right on guys, thanks. That's what I was looking for.

 

[akheathen Premium Member]

also, i have had allot of good luck with sub firing left, port firing back, allong with the right wall for best driver seat response. more so than flipping the same box sub up, port back allong the floor.... i tend to build more in that orientation in suv's.