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stickytak
04-13-2010, 03:37 PM
I have 1 5x5 square port tuned to about 35 Hz, however I realized that I need 4xmore port area for it to be "correct". (roughly 100 sq in. neeeded) So can I just make 3 more of these same ports and have it be ok, still tunred to 35 Hz, or does that effect the Hz?

Cabin_Pressure
04-13-2010, 03:39 PM
PORT Size Calculations and Formulas for WOOFER and Subwoofer BOXES (http://www.carstereo.com/help/Articles.cfm?id=31)

stickytak
04-13-2010, 03:59 PM
That dosnt help me, I need to know If I add moreports, what It will do to the frequency and sound output (SQ/SPL)