Â
Since I have Ph. D. in Biophysics, I do not trust science overall. đ
Â
There are so many phenomena that can not be explained by science theory.
Â
You had tried Melz 1578 but with some dissappintment.
Â
Tube, cable, tweaks are dependent on system and personal taste or mood.
Â
Now I switch back to Amperex 6sn7 for rounder sound.
Â
But that does not mean that it is the best 6sn7 tube.
Â
I have 70 different kind of 6sn7Â or variant tubes to try in my amp.
Â
Thomas

