Understood Bill. Feel free to PM me if you have any specific questions - I'd be happy to help.

Jsl - yes, an M2 should be mounted vertically if used as a center - I'll let others chime in on how close to the ceiling is too close as I have no experience there.

Cheers,

Dan
On-Wall M5HP LCR, QS8 & EP500 in 7.1