In my experience there is no break-in period for caps. However.. each cap brand / type has a different tonal quality. I find that in building tube amps this is widely accepted as the truth.
Techinics Sp-10 Mk2a break-in period
I recently had all the electrolytic caps, thrust bearing, and bearing replaced on my sp-10 mk2a TT and PS. I like to know if there is a break-in period for these parts. If so, what sonic changes should I expect during the break-in period. Thank you.