Just got done with the review of the Woo Audio WA5.
It's two chassis, powered by a pair of 300B's and the power
supply weighs more than the amplifier!
Definitely the best headphone amplifier I have heard so far!
Smooth, musical and detailed...
We have a full review at
http://www.tonepublications.com/TA-gear.htmAnd we invite you to check it out!