G'Day fellow Head-Fi'ers.   I've recently upgraded my audio gear (Chord Hugo, Woo Audio WA5-LE (maxed), Sennheiser HD600/Audeze LCD-X). I'm now looking at my Windows 7 PC.   I'm going to be driving the Chord Hugo using one of its USB inputs. All music is FLAC.   So what's the story with...

I started out a few months ago thinking that I'd buy a relatively inexpensive headphone amp, I had in mind a budget of about US$500. After looking around I came across the WA7, so I upped the budget a little.  Then I found out that the WA7 had a tube power supply (WA7tp), so up went the budget a...