FINALLY, my WooAudio 3 came in the mail today. Right now I'm using the stock tubes, the Cetron 7236 will be here next week. However, it still sounds amazing! This does not surprise me, the only other amp I had was a PA2V2, and that's what I was using with the HD650. 
Anyway, when I first hooked it up, I let the tubes warm up about 5 minutes (yeah, I am impatient), and then I started the music. At first, I had some trouble telling it apart from the PA2V2, but I believe this is because I did not let the tubes warm up long enough. After about an hour, the tubes were very hot (almost burned myself on the power tube) and did not seem to be getting any hotter.
I tried listening again, and WOW, what a difference! I don't know all the terms you true hardcore audiophiles use to describe the sound, so I will do my best, please pardon me if I sound like an idiot. The most notable difference seemed to be the soundstage, it is HUGE. I can easily tell from what direction all the voices and instruments are coming from now. The vocals (and entire midrange) have superb seperation, and seem to carry more weight or "authority". The other most notable change is the bass. On the PA2V2, it was very loose, uncontrolled and muddy. It was the type of bass the average consumer thinks is "great". With the WA3, there isn't any less bess, but it is MUCH more controlled, and not so loose and flabby.
As for the highs, I am not good with picking out a "good" high-end from a "bad" high-end, so I won't comment on them. They sound fine to me. They seem effortlessly controlled and less "rolled off". Oh, and I almost forgot to mention, fatigue. With the PA2V2 I would experience fatigue rather easily, especially at higher volumes. On the WA3, I don't have any. It's that simple, it's just gone. Even at high volumes.
Well there you have it, impressions of the WA3 from a novice.
Listening to DSOTM, the tracks that I thought sounded best were Money and Any Colour You Like.
Anyway, when I first hooked it up, I let the tubes warm up about 5 minutes (yeah, I am impatient), and then I started the music. At first, I had some trouble telling it apart from the PA2V2, but I believe this is because I did not let the tubes warm up long enough. After about an hour, the tubes were very hot (almost burned myself on the power tube) and did not seem to be getting any hotter.
I tried listening again, and WOW, what a difference! I don't know all the terms you true hardcore audiophiles use to describe the sound, so I will do my best, please pardon me if I sound like an idiot. The most notable difference seemed to be the soundstage, it is HUGE. I can easily tell from what direction all the voices and instruments are coming from now. The vocals (and entire midrange) have superb seperation, and seem to carry more weight or "authority". The other most notable change is the bass. On the PA2V2, it was very loose, uncontrolled and muddy. It was the type of bass the average consumer thinks is "great". With the WA3, there isn't any less bess, but it is MUCH more controlled, and not so loose and flabby.
As for the highs, I am not good with picking out a "good" high-end from a "bad" high-end, so I won't comment on them. They sound fine to me. They seem effortlessly controlled and less "rolled off". Oh, and I almost forgot to mention, fatigue. With the PA2V2 I would experience fatigue rather easily, especially at higher volumes. On the WA3, I don't have any. It's that simple, it's just gone. Even at high volumes.
Well there you have it, impressions of the WA3 from a novice.
Listening to DSOTM, the tracks that I thought sounded best were Money and Any Colour You Like.
, but HOLY COW! my 650 sounds amazing.
