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I read that using a slot port with the wall of the cabinet as part of the slot opening needs to be shorter than equivalently modeled round

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 Calculating Port Size The box port can be calculated with a simple formula Box volume in cubic feet X 16 (the amount of port area in square inches per cubic

quick hits slot Slot and USB Port Perodua Bezza - Compact Sedan Handphone Calculator Due to my use case, I need a long, shallow cabinet with a slot port Using an online calculator I determined I can tune my cabinet using a port