Skylab, want to thank you very much for the time you put in to providing us with your wealth of knowledge!   I am using a pair of HD600's, and have not been able to decide between the WA3, WA6, or the CSP2 (or CSP2+) for my first amp. I know the WA3 and CSP2 are both OTL, so I'm not sure how...

Quote: I looked at the CSP2 (now the CSP2+) and it would definitely be pushing the limits of my budget. Have you listened to the WA3 at all?

Quote: There hasn't been a single instance where I've seen that the Sophia isn't a "must" upgrade. If I do go with the WA6 I will certainly have the Sophia with it. What do you suggest/use for a preamp/dac? Or are you connecting directly to a source?

Hi all, long time lurker, but finally decided I need some help with some decisions!   I'm looking to buy a tube amp to use with my HD600's. Problem is, I can't decide which to choose.   I've narrowed it down to a few options. I'm not looking for a write-up on any of these pieces, as I've...