B+ before plug in tubes on my is about 590 volts. After plug in load is 572 volts or so and bias KT120 @ 80 ma. I got 91 watts out of them. After about 100 hrs the bias very stable..................love it a lot.
I used the same capacitor as my old EICLONE and work just fine.
You guys will like KT120 it so sweet and rock. I hope Shannon will make more PCB.
Regards,
Iggy