where should i place ports? subs up ports back. should ports be in corners or side by side in middle? subs re sx15d2's,amp sundown saz-3000d, box 8 cubes dual 4 inch ports tuned to 34hz, ride vw golf(hatchback). any help would be greatly appreciated, even if you have different thoughts.
Well, most people are going to recommend the standard 12-16 sq in of port per cube, so lets just say 12sq in x 7 cubes. That's 84sq in of port. Apparently you can get away with a little less when using an Aero, but let's stick with that number. A 4" round port is ~ 12.5sq in. You would need 7 of them. Lol. Might want to go with 6 inchers or a big ass slot.
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