Electrolytic caps are know for drying out if they are old but my question is, do they dry up as a result of constant/frequent use or even resting in your cupboard unused over time.
Take a look at this:
http://conradhoffman.com/capchecktut.htm (http://conradhoffman.com/capchecktut.htm)
Especially the "What Factors Affect Electrolytic Capacitor Life?"
Good info.
Cody
Cheers I will have a good read