Robert777 Posted November 30, 2019 Report Share Posted November 30, 2019 I'm new here. I built a box for my sundown sa d4 15s. Box is 42 length depth23 height 22. Port height 20.5 width 3in length 11. My port area is 61.50 and port area per foot is 8.30. tune is 34.34 from Torres box calculator. Is this good enough. Can it be better. Thanks in advance. Wanting to know if port area is good Link to comment Share on other sites More sharing options...
Mike4068 Posted November 30, 2019 Report Share Posted November 30, 2019 Port area relates to xmax. If you used design software to determine port area you should be in the ball park. Link to comment Share on other sites More sharing options...
Robert777 Posted November 30, 2019 Author Report Share Posted November 30, 2019 I used Torres box calculator. I'll try an figure it out what you talking about Link to comment Share on other sites More sharing options...
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