Order of importance,
Middle row
back row
front row
Run the Amperex PQ tubes in the middle and the back row, Tesla in the front row. Try that and post back.
I also recommend Herbie's HAL-O tube dampers.
Install them near the top fat part of the tubes.
.
Middle row
back row
front row
Run the Amperex PQ tubes in the middle and the back row, Tesla in the front row. Try that and post back.
I also recommend Herbie's HAL-O tube dampers.
Install them near the top fat part of the tubes.
.