Thanks for the quick reply.  It's a nice little gizmo, and I find myself now doing more headphone listening than I had done in a long time, so it is on my list.

I've searched this thread and around the world-wide web, but haven't found a link to the manual or any other explanation of what the five filter modes are.  Could one of the users briefly fill me in on the various filter settings?  Specifically wondering if there is a setting for no filtering at...

This situation really is absolute nonsense. I would suggest that those who have money in his hands, via paypal, start a new thread to find each other. Then contact the Oregon Bar Association and get a referral to a lawyer in Corvallis, or wherever he is. The cost to file suit is trivial compared...

No problem. I'd just send it off to Xin, and patiently wait for its return. ;-) - Pat (Sorry, I just couldn't resist.)

Hmm, $349 for a 12AT7? Oh wait, that's for a pair. ;-) - Pat

I would imagine that part of problem with this thread, for those new to the Xin experience, is the wildly inappropriate thread title, which suggests that one might post here and receive information about the shipping date for one's order. That's what sucked me into reading (some of) it.

You might want to check out the new 24v Aikido, with headphone amp incorporated: http://www.tubecad.com/2008/01/blog0132.htm - Pat

Just a quick note to let folks know that my amp, from the last batch, and ordered around September 17, was on my porch today when I got home. Very cool little gizmo. - Pat