Are tubes psychological?

Tubes can look cool on some equipment that puts them out front so all can see, but I have also had tube preamps that do not, and whether it looks cool or not, it the sound is what really matters.

If you can't see them you can't hear the difference? Must be mind over matter!

If you can't see them you can't hear the difference? Must be mind over matter!

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Really? Maybe I got the odd few dozen valve amps and valve preamps that do sound quit a bit different, from each other and SS equipment. Why would someone own more than one of anything if it didn't sound different. I thought it was because it did, sound different... Just sayin' My STUFF doesn't disappear like some people say. I know exactly what is making noise at my joint. :-)

Regards

Probably not that. I upgraded from amps where the tubes are visible to amps where they are not. And the new gear sounds better. 

…just knowing they are there…..