Look great! I got my Arias set up and then left for vacation 2 days afterwards. So I haven’t really placed them other than to put the mid/tweet column in the same place as the mid/tweet ribbon of my studios. I do have them toed in more than you have as I again toed them like I had the...
Off topic but technically speaking — There are 2 pipe organs in the world that have 64’ pipes which could go as low as 8hz. But for practical purposes the vast majority of organs that exist only have 16’ pipes that go as low as 32hz.
I don’t know that you can perceive it consciously at all. But even tho I can’t explain nor understand it - your body detects it in some way. Listening perception changes when the low frequencies are present in music compared to when they aren’t.