On Wed, Aug 19, 2020 at 5:49 PM Joshua O'Keefe <[email protected]> wrote:
> > My T is relatively recently received (I've had it less than a year). It > was fully functional when I received it but I know nothing whatsoever about > its previous life or what stresses it was subjected to. It's doubtful it > was run at 105ºC but I can't at all vouch for any mistreatment it may or > may not have suffered over its long journey to my desk. It lives a life of > ease now -- probably less than three hours a day of use in a temperature > controlled environment -- but I don't know how close those 33 year old caps > were to failure. > The best way that I know of to assess the health of an AE (Aluminum electrolytic) cap is to measure its capacitance and ESR. I've done that for several caps in a couple model 100s and found that most of the AE caps there are still performing well. Virginia has its share of humidity, but nothing like southern Florida, which was the home of the worst M100 I've ever had to repair (basically, every AE cap in the system had leaked). -Josh
