Subwoofer box calculator online. Whether the speaker is better suited for a sealed or ported enclosure The 3dB down point of the speaker in either enclosure The recommended volume for sealed and ported enclosures The resonant frequency of both enclosures The port length for ported enclosures. Multiply volume of the container by the number of times you had to fill it to calculate the enclosures volume - Example-4 Find and subtract woofer displacement and port displacement.
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Type in new values in the width height depth fields. Additional volume will include any space taken up by the speaker structure braces or anything else that takes up space in the enclosure. The formula is then volumebox width x length x height. To do this we use the volume formula covered earlier in this tutorial remembering to use internal dimensions.