"The Bryston BHA-1 for $XXXX is one heckova high-end Class A headphone amplifier. If it had more high level inputs it would serve very nicely in my system as my reference preamplifier. Judging by the stereo room performance I am convinced that it would not impose any limitations on the finest ear speaker's money can buy. And I'm not sure throwing lots of money at expensive headphones would necessarily do justice to this amplifier. I suspect that at this moment in time the Bryston BHA-1 amplifier design has matured beyond earspeakers..."
PDF Bryston BHA-1 Headphone Amplifier Review by Enjoy the Music.com
SPECS Bryston BHA-1