Mesa Boogie Mk IV Tube Sets
STANDARD TUBE SET
1 x JJ 6L6GC Matched Quad
5 x JJ 12AX7
PREMIUM TUBE SET
1 x Svetlana 6L6GC Matched Quad
5 x Tungsol 12ax7
COMBINATION TUBE SET
for those who wish to use a blend of the 6L6's and EL34's in the output stage. See the manual for details.
1 x JJ 6L6GC Matched Pair
1 x JJ EL34 Matched Pair
5 x JJ 12AX7
