Changed all the plate resistors and the grid(2) ones.
One tube previously got destroyed and it took them out, so I changed all to new ones and redid the bias (set it a little colder).
Sounds great!
Here is a video with guitar and some pics below:
This remains now a hobby, but I used to do: Handmade clones of Guitar & Bass Effect Pedals / Effect modding / Rewiring and Guitar Setups+levelling+refrets / Amplifier Repairs / General Audio Repairs