I'd really appreciate it if someone would create a couple of level matched same performance clips that demonstrate the improvement from a preamp upgrade. Please. Anyone.
Preamps aren't cars, and audio is not a race. More money buys faster cars but it doesn't buy "more" or "better" audio. There are limits to human perception. Once your gear is performing beyond those limits, a human can't directly perceive any further improvements.
Take a good piece of glass and polish it so it's clean and transparent.
Now take a second piece of glass, made from the rarest sand by the best glass maker in the world using the highest tech super-precision oven. It's quite possible that the specs of the second piece of glass are better than the first. Possibly a microscopic examination finds a difference, or it's stronger, or it passes ultra-violet rays better. But you can't see through it any better than the first one.
Fran
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