I got mine...
Mine came with an ITT 6BQ7A (Japan) I haven't seen anyone else mention getting one of these with theirs.
I really tried to like it (the tube that is). I gave it a good 10+ hrs of listening time after about 5 hrs of unattended break-in. All my comparisons was with the org Vali which I have loved for the last 6 months or more.
This tube is a bit aggressive. Edgy It alters the tone of the music also, especially the vocals. Bass is good tho. When I then tried it on the high gain setting, it was like, Holy Cow! Actually, some content sounded incredible! I listened to a certain 4 or 5 tracks on Dido's - No Angel album 4 times in a row.
But no, you can't run it on high gain. Not this tube. Not with my setup anyway. It's just too fatiguing. Actually, even on low gain too. I'm not real happy with it.
So, this is my current chain..
Emotiva ERC-3 (CD Player) > Emotiva Control Freak > SYS > Vali/Vali2 > Oyaide cable > Fidelio X2s (WOOX Edition)
Patch cords are all of higher quality - a couple diff brands.
I could tell though, that this thing had potential. There
were things I was hearing that I liked over the org Vali.
Enter the Electro-Harmonix 6922 EH (Russia)
This guy sounds sa_weet! Nice soundstage & air. (a noticeable improvement) The clarity is ever apparent. Vocal's really stand out. And the bass, oh the bass! It sounds like it stays flatter, deeper. Nice and tight, and punchy when called for. I'm using it on the low gain setting of course and it's all dead silent between tracks. It's a fabulous sounding tube to me, especially when compared to the stock one I received with mine. The "tone" is correct with this one too. Natural sounding and what I'm used to hearing. Warmer than the ITT fer sure.
This would be a good one to try for those still wanting to do some tube rolling and maybe haven't, and it's not that expensive.
I also have an Electro-Harmonix 6CG7 headed my way. It should be a great battle.