bandpass box help!!!!!

[liqdfire4755 10+ year member]

View attachment 26499879

i got this design from 80 and i know he is a busy guy so this is why i am posting it here. i originally wanted to do a 4th order bandpass for two 18" bl's but he gave me a 6th order bandpass. which is sweet but i dont want to cut the whole wall of my truck out. i just want to make a whole about 22x22 for the single port. does anyone know how i can use this same box, but maybe seal the two 8" ports and have a single square port coming out the front? and how would i make the port protrude out of the box maybe 6" so it actually is in the cab a little? man i wish i had a box building program!!! lol.

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[liqdfire4755 10+ year member]

10 views and no help. come on guys!

 

[liqdfire4755 10+ year member]

ttt

 

[jellyfish420 10+ year member]

easy and simple.

no

you cant just change a 6th order into a 4th order, theres a little more to it than that. i would go with the one you have though. more efficient, and will sound 100 times better IMO.

 

[liqdfire4755 10+ year member]

ok so if i go with the enclosure i have now, is there a way to make the ports extend out past the box? this will be going into the bed of a gmc sierra. so i want the actual ports to come into the cabin.

 

[liqdfire4755 10+ year member]

ttt