Subwoofer Vent Minimum Port Diameter / Size Calculator

Online calculator helps to calculate the subwoofer vent minimum port diameter or size based on maximum air volume, tuning frequency, number of ports.

Vent Minimum Port Size Calculation

Online calculator helps to calculate the subwoofer vent minimum port diameter or size based on maximum air volume, tuning frequency, number of ports.

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Formula
D = ( 2030 * (V²/F)^1/4 ) / √N
Where,
V = Maximum Air Volume
F = Tuning Frequency
N = Number of Ports