@3f26518c @e82d9b81 @134318c2 It can be tricky with sound though.  Sound is extremely subjective.  Internal supersampling to 1MHz or what-have-you sounds great on paper and can certainly do a lot in a number of situations, but in the end, what matters is what it sounds like to one's own ears.  It's very tricky honestly.  It can come out better, worse, or no discernible difference when changing such a thing.

I'm using a hybrid-tube amp these days and the difference of swapping tubes is insane. 

 @1b1e65e2 @3f26518c @e82d9b81 @134318c2 

Also the frequency-responce differences between when the tubes are cold, and when the tubes are fully warmed-up, is measurable and noticable to trained ears. :D

One bass-player who was experimenting with different tubes, found a pedal that allowed the tubes to be changed.

He then tested it out with different transistors and was getting measurable differences, even with the same-spec transistors.

Also for nice tubes:

https://vimeo.com/14490689 :D