Something I've been looking for quite a while showed up last week on a Swedish site where musicians sell and buy stuff. Considering what it was that I was going to buy, I was certain that it would be from some person. However, this ad was from a well respected company. The ad said something...

So, I traded away my K601's for a pair of HD600's the other day, and while the HD600's might be fine phones, they aren't much for me. I really didn't think they could compete with my K701's so I doubt they will get much use in my home. I've gotten a hold of a guy in Sweden that has a pair of...

Even though it's not an exact science I'm just wondering how this amp could sound, considering the way it's made and what components it uses. It uses three OPA2134 and two BUF634, and here's the scheme in pdf-format. http://www.naqref.com/pdf/lurschema.pdf The guy that has...