The BEST subwoofer array for large concerts?

This is my attempt at recreating the results described in an AES paper called Subwoofer positioning, orientation and calibration for large-scale sound reinforcement. Comment with your ideas for improvement.

See the original post: https://www.sounddesignlive.com/the-best-subwoofer-array-for-large-concerts/

AES 7971: https://secure.aes.org/forum/pubs/conventions/?elib=15268

Why do you polarity invert the rear sub in a cardioid array? https://youtu.be/t-Ikv_uoLt0

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I love to geek out about the physics of sound. This channel focuses on the growing opportunity for live sound engineers to improve their confidence and consistency through the understanding of the principles of sound system design and optimization. My goal is to make this channel upfront and honest about my success and failure, so you can learn from both.

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