Stevem wrote: ↑Mon Apr 18, 2022 10:25 am
To me this is a flawed test / comparison because we, and or you also do not know how they test for Gm.
I would in the least want to see how there cathode idle voltage changed from tube to tube!
Ok.
Do you have a guess as to which clips have the ‘50s Mullards, based on how they
sound?