Robert J. Reina of Stereophile recently reviewed the Audio Research Reference 75 power amp:

"The ARC's ability to render instrumental images holographically on a bed of air with extraordinary detail and ambience meant that I was frequently fooled into thinking a live musician was playing in my living room.... The Reference 75 touched me on a deeply personal level. I enjoyed listening to music so much through it that every time I entered the listening room and saw its silvery hulk beckoning to me, I turned it on and played some music. More than with any other component I've reviewed, when the Ref 75 was in my system, I went out of my way to make sure, every chance I could, that music was playing."

Read the rest of the review here.