Yes it is working fine. I didn't have a lot of time to listen, but initially it seems to be behaving right. No noticeable hum or noise and plenty of clean sounding crisp power. It's really clean sounding, last amp I was listening to was a JLH 1969 clone, and initially they compare favorably. Even with relatively inefficient speakers 10watts ROCKS. Working on a Pass BOZ preamp now to accompany it.