https://www.puremix.com/library/tutorials/interviews/dangerous-music

Fab explain what is analog summing and takes a deeper look at the Dangerous 2-Bus Summing box specifically. The video makes it easy to understand what a summing mixer is and how to set up your session when you have to send your tracks out to a summing box. If you have been Summing curious lately, this a great way to get into the scene.