Phonoland

Please have a look at the area circled in red - this is a stock image, but on my SHP 3 amp, the fiber/phenolic base in the circled area is badly torn and needs to be repaired. I was considering removing the rivets, then cutting and fitting modern PCB perfboard material for this purpose. What do others do?

Here it is:

https://www.tubesandmore.com/products/S-H121

Perfect! Thank you!