Quote Originally Posted by DMK
Preamps as well! I'm amazed at the ones that measure virtually identically and sound so different. I remember years ago the NAD/Rotel/Acurus test I went through. They all cost about the same, measured the same and couldn't have been mistaken for one another by someone with one ear! This was done blind and, miracle of miracles, the sound was EXACTLY as the so-called golden eared media called it. The NAD was soft, the Rotel clear but a bit on the bright side and the Acurus made the neighbors dog howl!
Is there any data for this test? How many trials and correct guesses? What was the calibrations of levels?

T