Best Answer talwilkins , 19 January 2014 - 07:11 AM
I started with measuring the bias on the old ones and Tube 2 was on 7,6 mV!
So, I took it out and found the following:
P.s. Apparently I can't have the picture in the text without it also showing up under "attached thumbnails". A bit annoyingGo to the full post