Even at that power level its more then likely going to have alot of port noise.
I had 28 cuin area and it made noise at 800 watt level bad with the lower notes.
Goin for 60 sq on 2 now.........
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lostsoul (5.25 mtx comps) Bad once I hooked them up.....................
No sorry. You will get a lot of port noise. Maybe downgrade to a single sub in the proper enclosure size.
1 sub proper enclosure>2 subs improper enclosure.
Linearteam.org website predricts .04 m/s port mach, with .17 being port noise.
I have already made the box its 4.0 net. do you think it will be ok with 6 of the 15" ports? then it woul dhave 21 per sub for 40 total? I have already cut the ports to 15" lenght, 4 of them, i could cut two more and have 3 on each side, what abotu polyfill? i dont think so though. But dont the l7's like the higher tuning ..most of the kicker spec boxes and mtx boxes are tuned higher i dont know why must be ok for the drivers...?
I would not go higher than 37hz on a 12" driver. If you can get at least 24 square inches of port area per sub you would be fine.