Well as luck would have it my quad of NOS dynawatt el34 just arrived today so I will just get those in and go with those. Thanks for the insights. I might try them at some point.
Does two matched pairs make a quad el34
I got 4 extra tubes with an amp I purchased, never used black treasure 6ca7-z, the boxes say 28, 31, 58, 62 mA. I have a shindo montrachet and was curious if having divergent pairs on each side would cause any problems if everything is biased to spec? Would there there be an audible difference?