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

Maximum Air Volume
Tuning Frequency
Number of ports

Subwoofer Vent Minimum Port Diameter (D)
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D = ( 2030 * (V2/F)1/4 ) / √N
V = Maximum Air Volume
F = Tuning Frequency
N = Number of Ports

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