Are tubes psychological?

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…..

I like the sound of components that use tubes.  The "warm glow" doesn't do anything positive for me.  Rather, it reminds me that each one of these suckers is going to need to be replaced somewhere along the line, and then I start to do the math in my head (2 x 4 x $140), (2 x 2 x 125), 1 x $275.  Then I wonder why I bought tube gear.  Then I start listening to the music again and know why I bought tube gear.