Updated subwoofer calculator

 

beerman_accelerator-pedal.com
Unregistered guest
The old thread was archived.

http://www.accelerator-pedal.com/ported-box.asp

Two big changes:

This version calculates a minimum port area based on woofer sweep (Sd*Xmax) and tuning frequency, as opposed to assuming 10 (or 15) square inches per cubic foot.

It can design a subwoofer based on parameters. Maximally flat or SQL. SQL dials in a 1.5dB peak for more output while maintaining some sense of sound quality. The SQL boxes are also (marginally) smaller than the maximally flat boxes.
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