Isobaric subwoofer box design

In this video I want to explain how the isobaric loading works. Besides the theory, I am also going to make some isobaric enclosures and see how they measure, to test if the theory holds true.

Learn how to make speaker boxes, acoustical measurements and passive crossovers :
4 different video courses : http://audiojudgement.com/courses.html

Videos shown at the end of the video :
6 different enclosure comparison :    • Sealed vs Ported vs High output bass ...  
How to measure T/S parameters :    • How to measure Thiele Small parameter...  

Music Credits:
"Werq" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
http://creativecommons.org/licenses/b...