Hi X Very interesting read. I assume that you are reviewing the WA2 with the uprated power supply and not your previous WA2. Have you noticed any difference between the two? I am really looking forward to your reviews on the WA2/HD800. Regards M

Quote: Originally Posted by Anouk Hello, I just rolled in my new tung sol tubes bought by Jack woo, they still need to settle for 50 hours but from first impression I might actually prefer the stock tubes, these seem more colder, more flat/solid state while the stock ones seem warmer...

I also noticed a noise on my WA2, but I must point out I can only hear it if I use my IEM's. With my other phones it is dead quite. Below is the question I posed to Jack and his response. Question: "The WA2 seems to have a relatively high noise floor. When I listen to the headphones with no...

Quote: Originally Posted by xenithon Hey M, Small world, hey? I think it may indeed be an issue of headphone burn-in. I can only imagine that the large drivers of the HD800's may require a good 200-300 hours to fully flourish. I also suspect though it may be source-related. I...

Quote: Originally Posted by Skylab Just a note - the GE 5998A are not the same tube as the Tung-Sol 5998. The GE 5998A is straight bottle, and has the same plate structure as the 6AS7, not the same as the T-S 5998. The two tubes can be used interchangeably, but the T-S 5998 sounds much...

Quote: Originally Posted by OutdoorXplorer I just wonder how may hours the 2 items been used? Could it be under-burn/break in stage? It might be too early to come to conclusion.. Give it some time and I believe it will shine... Hi It could be that the HD 800's still need more...

Quote: Originally Posted by pzm9pzm9 thanks, M May I ask if you were listening HD800 on WA2 with stock tubes? yes, go experiment some more for us. Thanks GE 5998A Power (Tung-Sol 421A are on their way) Jan 6922 Pre EZ80 rectifier Regards M

Quote: Originally Posted by pzm9pzm9 Has anyone tried HD800 on this? Let us hear how you like it. Hi I have the WA2 and the HD800. Please note that I do not have much experience with headphones and headphone amps so I cannot say I speak with any authority on this...

Hi Does anyone have any impressions of the HD 800 with the Woo WA2. Would one say that the WA2 is: 1) inadequate to show off the true qualities of the HD 800; 2) adequate to drive the HD 800, but could be substantially bettered; 3) a good match that will require a significant upgrade...