Originally Posted By: Janice & Bud
I’m curious as to the outcome of hard research (double blind studies) on the differences audiophiles can hear when it comes to all of the above. The same research applied to the perceived difference in amps and receivers would also be of interest. To date I’ve never seen such.

Bud


I have done numerous double blind studies involving the album Led Zeppelin II.

I am able to say without reservation that using a robust confidence level in a Chi Square test of significance I need to drop the needle and hear a substantial amount of noise, crackle and popping when the needle hits to render a respectable air punch when the opening riff of Whole Lotta Love Kicks in.

Also, I need to have the volume knob on the Pioneer amp turned all the way to the right because if I do not blow up the speakers, it just does not have the same effect.

I conducted these experiments numerous times at the University of North Carolina at Chapel Hill.


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