General Car Audio Discussion & QuestionsAll general car audio discussion goes here. Need help installing speakers, headunits, amps or electrical? Having problems with equipment? Have questions about a product, post here.
i plan on building a new box for 2 re sxx's 12's. i built one for a single sxx and the box is about 2.5ft cu with 37.5square inchs of port and the port length was around 26 or something i cant remember, tuned to around 35. now if i want to build a box for 2 of these is it as simple as just doubling everything up like making it 5ft cu. with 75 square inches of port and making the port length longer?
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