C carloc80 Active member Joined Apr 12, 2007 Messages 41 Reaction score 0 Aug 11, 2008 #1 which tubes for mark 4? i want to put 2 mesa el34 in my mark4 and i don't know if mesa tubes are all the same or if there is some color code for each mesa amp...
which tubes for mark 4? i want to put 2 mesa el34 in my mark4 and i don't know if mesa tubes are all the same or if there is some color code for each mesa amp...
