I cant say I agree with oldauophile's post. I use a pair of '70s ESS AMT 3 rock monitors that have a Great Heil. I have them close to the wall in my 17' deep listening room. Since the Great Heils have broad horizontal dispersion as well as usable dispersion from the sides and the rear, I find they create a very pleasing high frequency sound field that is not at all fatiguing.

