Powering up capacitors
A little of topic but relevant to the skills on this forum. Please excuse me Saab or move to JB as you see fit.
Many moons ago, I learned through experience that one had to be careful powering up capacitors that hadn't been used for some time. Is this still true of modern(ish) kit - say late 90s early 00s. Reason for asking is that I have some stuff that has been in storage for about 4 years including some power amps and so on that I imagine have fairly large capacitors in the power supplies.
Do I need to be careful powering them on? If so, what can be done? How about powering them up on a variable supply, e.g. starting at 100v and slowly winding up to 240v?
Any thoughts?
Cheers
Simon