Michael Campbell Posted July 14, 2012 Report Share Posted July 14, 2012 I have two fi btl n3's 12inch subwoofers with 3500 watts per subwoofer or less if need be. Each subwoofer will have 1.5 cubic feet for volume enclosure so 2 12s 3.0 cubic feet -- not including the size the port area takes up.will add that up later. What is the maximum amount of port area i can have without damaging the subwoofers for daily use. I know alot of people say the rule of thumb is 15-20 per cubic foot. But i wanna know whats the biggest port area i can run safely. My goal is to produce more air flow for hair tricks and pressure in vehichle. And this is a daily driver. Link to comment Share on other sites More sharing options... 1 14
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