HOLY CRAPPPP!!!
I juts put new tubes on my mark v for the first time holy shitt!!
It sounds amzing
I got it like this
v1 Mesa spax.
V2 EH
V3 JJ
V4 JJ
V5 Genalex Gold pin
V6 EH 12AT7
V7 Mesa spax
Power tubes Mesa MV
Channel 1 has always sound good no matter what that why i love this amp...