Well my HR-2 arrived today, and the OP chip is fully burnt in because I bought it used on head-fi from TRose49, a truly wonderful person to buy gear from. So far my listening experience has left me awestruck and that is hard to do. My previous experience with headphone amps are the RSA...

Has anyone actually heard/used both of these amps.  Any helpful thoughts?  I know one is tubed, the other SS.  Markl reviewed the HR-2 a while ago and thought it was not a harsh SS.  Please feel free to be as detailed as you are able. Thanks for your time..........Lori

This is an old discussion. I have read many very old threads about these amps previously so I apologize in advance. Please feel free to ignore this thread if I quite simply bore you.   However, if not bored - I would like some feedback as come the New Year - I am going to be buying one of...

I have both the HD650 and the HD600. I am wondering other peoples comparisons between these two headphones. I'm sure there are tons of posts on the subject but from what I've read it depends on who you ask. My 650 are well burnt in and sound good and my 600's are a few days old and require...