Welcome to Team SinglePower, you can go find some tubes before you get your new baby.
Here is some advice for tube rolling, lots of advice was from sacd lover.
Thank you very much!!! sacd lover!!!
"Here are some of my favorite combos:
Gain tube/ Output tube
Ken Rad black or clear glass 6sn7gt/ Sylvania 6sn7gt/ gta or gtb
RCA gray glass vt-231/ Sylvania 6sn7gt/ gta or gtb
RCA gray glass vt-231/ Hytron 6sn7gt
National Union black glass...