re capping


I hear the phrase 'recapping'. when do you know when you should 're cap' an amplifier? I have a McIntosh mc602 amp that sounds fine to me. I also have a McIntosh mx132 that works ok for me. I also have a bose 901 series 2 active equalizer that seems to work ok. the 'red' on light kinda flashes now and then. if my system sounds ok, should I worry about my units?
128x128g_nakamoto
Not really.  Replacing worn out electrolytic caps per manufacturer specification is very different than improving by finding "better" caps.  These "better" caps can, if not chosen carefully, not only make sound worse but also damage gear.
True that, but still related. I did not say 'the same', I merely said related. No degree or specific tack mentioned.
Why wouldn’t you “upgrade” when going through the trouble for a “recap”?
Is it possible to screw something up by replacing the old capacitors with a much better brand/model while keeping the same uF and voltage ratings?