ML 13a + 2 Dynamo 800x - Sub placement?

[JETHRO]

I am a two channel listener. I have ML 13a’s and an old pair of Dynamo 800x’s. My speakers are away from walls. That leaves my triangle very tight at 6’ equilateral. Based on recent posts, I wonder what it might sound like with the subs behind my listening position. And where they should be from my ears both all directions x, y, and z.

Yes, I know I just need to play around, but I'd love to hear from anyone who's tried this.

I won't be surprised if so body tells me I should ditch the subs. So bring it on. Thank you.