sub box help

[LoudBimmer]

Hey guys

i made a design for my box, but now i wonna change it a little

the one i made, the sub will be facing back door, but i wonna change it to facing it up.

here's the question, will i need to change port dimensions, cause i wonna move it down

here's my original design

Edited August 22, 2009 by nfsplayer

[troy]

so you actually wanna build the top design???

[LoudBimmer]

well, idk which one is better for 18" sub

[Guest]

sub up port back is the loudest from what i hear

[LoudBimmer]

that's what i'm trying to find out

[troy]

yea sub up port back. do about 6 cubes and about 60+ sqin of port and youll be good.

[LoudBimmer]

do about 6 cubes and about 60+ sqin of port and youll be good.

right now it's 6.3 c.f. tuned to 37 with original design

Edited August 22, 2009 by nfsplayer

[troy]

ok well what exactly are you trying t0 figure out???

[LoudBimmer]

if i'm gonna put my sub up and port down, how big should port be? same as in my original design?

[troy]

if i'm gonna put my sub up and port down, how big should port be? same as in my original design?

yea basically.