What's your view on blind testing?


Double blind testing (DBT) has been a hot topic among engineers and audiophiles for God knows how long. The 'scientific' group believes that a properly conducted blind test will reveal negligible differences amongst audio components (amps, cables, dacs, etc.) while the other group believes that there are noticeable audible differences across manufacturer's in various price points. I know there are quite a few EEs on the board here and I'd like to get your perspective. Thanks for any insight.
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Finally, someone is willing to admit that the sonic differences between components is subtle.

If it takes weeks of listening, then why not run blind tests for weeks. Blind listening, whether a test or not, is very good at removing preconceptions and biases.
not too much required for me.

i can hear the music and tell who's playing a particular instrument and what's the brand of this instrument electric or acoustic.

i would not be able to hear any wire a/b blind at any time.
also easy to hear tube and solid state components on blind a/b.

i would be able to define also a lack of power on blind a/b between poweramps.
The sound of a component also depends on the rest of the system -- components that sound similar in one system may sound quite different in another.
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How 'bout $5k amps plus or minus, preamps etc. vs $20k vs mega buck electronics, ICs, power cords? Subtle, dramatic or, as Consumer Reports says: "Best Buys?"