I have a minor question about the 2:90...
I know the 2:90 has an internal 12AX7 inside the unit which lasts a long time. When this tube is failing, how does it manifest itself so I truly know the tube is the issue and not something else? Any insight would be greatly appreciated.
I know the 2:90 has an internal 12AX7 inside the unit which lasts a long time. When this tube is failing, how does it manifest itself so I truly know the tube is the issue and not something else? Any insight would be greatly appreciated.