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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: The scientific methodPosted by drdna on: 8/27/2019
 Romy the Cat wrote:
PP does inject very positive qualities to sound and it is in part might be because it addresses some of intricate electric problems but we, or at least I, do not know it with certainly. The claims that PP manufacturers make is irrelevant to reality.
Quite correct. The subjective observation is the STARTING POINT. Just as Isaac Newton observed temperature changes on the sides of the area of the light separated by a prism, and he deduced that therefore there must be light outside the visible spectrum; it's the same way for us in audio. 

We are confident that the PurePower is a positive change. Now we can only observe the changes in the AC output. Is anything reduced? Is anything added? Harmonic distortion? Even? Odd? Beat-to-beat variability? Amplitude modulation? When we understand and can detect the changes objectively, we are one step closer to understanding how we perceive sound and making a better stereo.

I am interested, in this thread on electricity, to hear a summary of the objective observations made on the AC signal output with the PurePower and other devices, and subjective improvements in sound.

Adrian

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