Pretty much stuff that has been on here before, but Its inside more amps, that’s what this site is for.
B50, had its caps replaced, but gets awesome motorboating when you turn up the treble, going to start by replacing the caps around the valve tied to the treble control. Quite a lot of these are point to point, which makes everything a bit more difficult to follow round and work on:
Its an especially tidy one on the front:
Been inside a Laney AOR 30 too, with the 6V6, jack pushed inside, apparently with some force as it broke off some wires:
Opened up my Paco valve tester to tape the data scroll back on, here isn’t much inside there: