Two fansSounds like an easy fix ? Replacing the fan only, right ? I don't even remember my Firebass having a fan. What a killer amp those are.
And on the heat sink I saw some I think voltage caps that had screws up to hold them down which was interesting
Really well-made amp
I want to open up for fun just to see why it didn’t help that heft everyone else talks about LOL
Really I’m liking the probass over the fire