Pre-amps are one of the most trouble free or reliable components of a system.
I've have some friends who has 20 year old pre-amps; while some needed re-capping, others works just fine with just regular tube changes.
Amps on the other hand is another matter due to heat & other variables.
I've have some friends who has 20 year old pre-amps; while some needed re-capping, others works just fine with just regular tube changes.
Amps on the other hand is another matter due to heat & other variables.