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quasi sixth order design


BMS

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So here is a pic Image result for 8th order bandpass design

Maybe a silly idea but air pressure in my cabin effects my subs (i have 6 12's ported) very much was thinking of what it would be like to turn the entire system into this design here. So basically the space to the right would be the cabin space and listening position. The ratio would be about 1 to 5 to my rough calculations with 5 obviously being the cabin space. So this would entail me removing a window(s) and adding a port in its place again putting the listener "inside the enclosure". currently removing the rear windows and or opening the hatch gives me roughly a 4 db gain. Is this even worth the effort to try it? keep in mind my ratio is rather odd. 

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yeah i am doing it now but idk what my tuning is but with a 1/4'' port and all the surface area the tuning would be very high so what if the tuning was lowered by adding a port i wonder how it might change my numbers at  a certain frequency.

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If you could do an impedance sweep it would be very telling. 

"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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