When I had my version 2, I found the 6dj8 amperex's to give the best soundstage/imaging/bass, plus I have a ton of them for pretty cheap if you need some, both NOS and like NOS.
I have tried mullard/siemans/amperex ect and found the amperex to give the best sonics for MY EARS.
I have tried mullard/siemans/amperex ect and found the amperex to give the best sonics for MY EARS.