Port Length and Diameter: Mastering Subwoofer Enclosures

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Fill out the form, and click Calculate button , , Straight, Round End Slot Staggered

To calculate the slot width that would make a total area of square inches, and we use inches as the height: divide by =  To keep port velocities right around 30 msec you can multiply the square root of the power density by 605 and that will give you how many sq

vip ph slot If appropriate round port tubes are difficult to obtain, maybe you should consider a slot port that is integral to the cabinet Once you L = Length of Vent or Port D = Diameter of Vent N = Number of Ports V = Volume of Box F = Tuning Frequency K = End Correction Factor