OK. I have all the tubes I listed in my post. Although that's my first post here, what I said is based on my many years tube rolling experience...
Suggestion taken. lol
Crack is DIY, so you have to try it by yourself. No need to take my words. Enjoy ur day!
A fully upgraded crack (premium caps is a must) with top tubes (421 a, GEC 6as7g, clear-top 5998, ecc33, fivre 6as7g, TS BGRP 6SN7 etc) will beat...
Separate names with a comma.