Originally Posted by Grinder View Post
Weird... Vent velocity should be much higher for the two 2" versus the single 4". Even the single 3" of your first post should be lower velocity than two 2". Area of a 3" tube is 7.07 in^2. Area of a 2" tube is 3.14 in^2, so two 2" tubes would be 6.28 in^2.
Would you feel confident running a 3" aeroport in my situation or do you think chuffing would be an issue way below full excursion? I do know from experience that this subwoofer lets you know in a hurry when it's pushed too hard so will baby it when it gets put back into service.