Which sub to reverse in a 2-element cardioid stack?

If you are trying to cancel sound in a specific direction, visualize a line drawn through the subwoofer drivers. To the rear you'll get cancellation. To the front you'll get summation. Remember that the rear facing sub gets the delay and polarity inversion. For more information about the 2-element gradient array, watch this:    • Why do you polarity invert the rear sub in...   ___ 💙 Start supporting Sound Design Live today for as little as $5/month on Patreon:   / sounddesignlive   ___ 📈 Get Started with Sound System Tuning - https://www.sounddesignlive.com/get-s... ___ 👨‍🎓 SOUND SYSTEM TUNING ONLINE COURSE - https://www.proaudioworkshopseeingsou... ___ 📕 Books on sound system tuning - https://www.sounddesignlive.com/audio... 🎙 Podcast for live sound engineers - https://www.sounddesignlive.com/pro-a... ___ Smaart® and the Smaart logo are registered trademarks of Rational Acoustics LLC and are not affiliated with Nathan Lively or Sound Design Live. ___ Be friendly Facebook -   / sounddesignlive   Twitter -   / nathandofrango   LinkedIn -   / nathanlively   ___ 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. I am always open to suggestions and feedback so please comment on this video or contact me through my site.