@bradf They’re chinese. If in doubt, they’re always chinese.
I use and love vintage tubes everywhere, except my monoblocks’ KT120. So it would be quite a blow to give those up, but I’d have to go with the Rooski tubes (just trying various flavors until I found the right sound per slot) over Czech & Chinese tubes, which I don’t trust at all.
I use and love vintage tubes everywhere, except my monoblocks’ KT120. So it would be quite a blow to give those up, but I’d have to go with the Rooski tubes (just trying various flavors until I found the right sound per slot) over Czech & Chinese tubes, which I don’t trust at all.