bass problems

[jcustomaudio1123]

i have a 1964 vette that we made a sealed box in the cubby behind the the passenger seat seat its a seald box with a lid and a front slot.. the system is... morel three ways in the front and a pair of jl audio 6 1/2 subs a jl audio processor and a matts 6 channel the system sounds super bad ass when the drivers door is open but when you close the drivers door and your in the car the bass cancels... should i have had made a ported box better then a sealed box..... it is a small car inside.. need help on this one big time lol...

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[1aespinoza 10+ year member]

need help on this one big time lol..

Have you tried switching the phase 180 degrees for the subs? Worth a shot. If no go, you can always use an 10tw3. Needs a small box and is shallow.