I HAVE NO IDEA WHETHER THE MATH BEHIND THIS TOOL IS CORRECT.

It came from AI (Gemeni specifically). I just wanted to develop an intuition for what various speaker parameters do. I recommend VituixCAD if you want to actually design speaker boxes for real (better than WinISD in my opinion).

Name Value Slider
Fs (Hz) - Resonant frequency of speaker driver
Qts - Overall damping of speaker driver
Vas (L & ft³) - compliance equivalent volume of speaker driver
Vb (L & ft³) - box volume
Fb (Hz) - box port tuning frequency

All chosen frequencies on the x axis also happen to be MIDI note frequencies. Technically Vas and Vb can be in whatever units you want, the units just need to match.

(My Other Stuff)