Interesting advice indeed.
The one thing I would agree with, in my scenario, is the sub firing to the right or left and not in a corner or directly to my face. I did Alans crawl tests and found that a right or left location was much better.

The idea of removing grills for better treble is a must try....I am sure someone will agree that grilles sometimes muffle sounds.



-------------------------------------
Denon 4308
M80x2,VP150,EP600,4xQS8