Note: Price of $350 is in PARTS only. You've still got to build the thing.
I don't really have time right now to write a full review, but there is a great review done by Skylab here:
http://www.head-fi.org/forum/thread/286709/review-cavalli-audio-bijou-diy-tube-headphone-amp
I don't really have time right now to write a full review, but there is a great review done by Skylab here:
http://www.head-fi.org/forum/thread/286709/review-cavalli-audio-bijou-diy-tube-headphone-amp