Hi, Bondmanp. I'm sure you did hear an increased brightness with the Van Alstine: I don't question your data. I do, however, question the conclusions that you draw from the data. Van Alstine amps are not "voiced" to have an emphasis in any particular frequency range, and they measure flat across the audible frequency range and beyond. (Some of the older reviews have test bench data in them, and AVA hasn't diverted from their design goals over the years).
Since the AVA is passing all frequencies cleanly through, without emphasis (as a test bench verifies) I would suggest that if an AVA amp in your system leads to a "bright" sound then you are getting an honest look at some part of your system that is out of whack. What room treatments are you using to control reflections that can accentuate the high frequencies?
Since the AVA is passing all frequencies cleanly through, without emphasis (as a test bench verifies) I would suggest that if an AVA amp in your system leads to a "bright" sound then you are getting an honest look at some part of your system that is out of whack. What room treatments are you using to control reflections that can accentuate the high frequencies?