Life is too short to bother about spare parts or gear life span...
I am 75, i dont give a damn about passive speakers versus powered one...I look at S.Q./price ratio using optimization skill and basic...Optimization is a funnier process than just buying ...
And our own life span being unknown it makes no sense to bother about audio gear pieces life span...
I bought long ago two low cost Chinese optical convertors in case...I was worried... I was stupid because the one i used for 12 years i gave it to my son it was working well for ever and i have one as new i no longer need for my worries about life span... I will give it to my surprised son if the one he use reach his end time ![]()
With what was going in the world i am more worry by my granchildren life span state...

