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Isobaric JL 12w1v2-4 box help

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Howdy everyone, I just picked up two JL 12w1v2-4's and i want to make a isobaric 6th order bandpass box. I'm trying to save space but still want bass. I'll be putting 250 watts to each sub from an alpine mrp-m500 amp. What do you guys think?

1997 subaru legacy outback

2 Atomic Apocalypse 8's

Rockford Fosgate t2500-1bdcp

Rockford Fosgate T400-4

Kenwood comp's


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If performance is a priority instead of building an isobaric 6th order, just build a regular ported box, non-isobaric. It will end up being about the same size and will have way better output.





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"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."


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Building the enclosure you have in mind and work properly, the enclosure will be the size of a single 15 ported and tuned enclosure ... Just Saying 

Kenwood / HELIX / Linear Power (For The Love Of Music) / Brutal Sounds / OverKill Electric Co 

Questions About Sound Quality ?? Try Here ... Sound Quality, What does it REALLY mean ?? 

SMD SOTM Winner "White Lightning" 1997 GMT400 Chevy Silverado   

"The Green Dickle" 1994 GMT400 Chevy "Phantom Dually"   

Randal's 2007 Chevy Avalanche (we haven't named this one yet)

Dylan's "Brutal" 17 Chevy Cruze RS Hatch                         

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