Pass, Bryston or Accuphase for Magnepans?

”I tried the Bryston 4B3 with my 3.7i's. It was not particularly good.”
What was it you didn’t like about the Bryston?
A friend of mine tried both the Diablo 300 and Progression int and preferred the Dag.

Thanks. Those of you who have heard the Pass amps. Some say that, especially the class-A amps, have a somewhat rounded bass (and highs).
Any truth to this?

Happy Easter!