To upgrade a separate power supply?

After how many years should the caps be replaced.?

ptss04-01-2024 7:35pm

gs5556 Details Discussions Posts This discussion Message User 1,212 posts 04-01-2024 at 11:34pm Copy Comment URL Report Comment Edit Delete Depends on the voltage rating of the caps, what voltage is applied to the caps, and the ambient air temperature surrounding the caps.
jasonbourne71 Details Discussions Posts This discussion Message User 834 posts 04-02-2024 at 01:18am Copy Comment URL Report Comment Edit Delete My 40 year old Sumo Andromeda amp has been in daily use for six years with no issues! Designed by the great James Bongiorno of GAS Ampzilla/Dynaco 400/SST fame.
jasonbourne71 Details Discussions Posts This discussion Message User 834 posts 04-02-2024 at 01:20am Copy Comment URL Report Comment Edit Delete On the other hand my Brown Electronics Lab BEL 1001 died after a few weeks use! Needs new power supply caps. It too was built in the mid-80's.