Calculate End Correction Factor

Category: Daily


App description

Subwoofer vent length calculation

Calculation of vent length, volume of box, tuning frequency, and end correction factor

Select the appropriate unit and enter a value and click on "Calculate". The result will be displayed.

Calculation formula

K = End Correction Factor

D = Diameter of Vent

N = Number of Ports

L = Length of Vent or Port

F = Tuning Frequency

V = Volume of Box

\(K=\frac {1}{D}×(\frac {2.35625×10^4×D^2×N}{V×F^2}-L)\)

Usage example

Known data: diameter of vent; number of ports; volume of box; tuning frequency; vent length, what is the end correction factor?

Input data: diameter of vent--2 cm; number of ports--1; volume of box:--3 liters; tuning frequency--2 Hz; vent length:--1cm, click "Calculate" to display the result.

Output: end correction factor:3926.6.

Note

The unit of diameter of vent, box volume, tuning frequency and vent length can be selected. Click on the selected head to select the corresponding unit.

 

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