speaker position

I see some speaker brands claiming to be physically time-aligned, usually by titling the speaker back so the tweeter is farther from the listener. Is this truly effective? It seems if there’s a positive effect, it would be for only one narrow listening position (which may not be where you’re...

After reading the books by Toole (Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms) and Geddes (Premium Home Theater : Design & Construction) I have a few residual questions. It is very likely that I did not comprehended 100% of what I read and that these leftover...