Hello
my Mesa Mark IIc+ SRX needs new pre and power tubes.
I am on 220V here in Europe.
So i have done the steps described in this thread by @Boogiebabies
https://boogieforum.com/threads/iic-bias-question.8923/
My Plate Voltage is 500V on Pin3.
Tube Wattage - 6L6 = 30 divided by 500 ( plate...