Can someone explain what makes and define what a clean power amplifier is or does? I have googled and searched the forum and haven't found a simple explanation to grasp.
We know, and are among the few here, that embeddings only can gives to us optimal Hi-Fi and reveal the potential of any electronic components...None is at his optimum right of the box...
A bunch of tweaks are not a method tough, it is the reason why i create this simple concept of triple embeddings to clarify the subject for myself.... You catch it on the spot....
But others think about "tweaks" like secondary artefact and mostly snakeoil....
It is important to explain things clearly....
I know nothing myself and without money i was in the obligation to think about it without ready made costly solutions at my feet... :)
But anyway "golden plate" or Emat they decrease each in their own way the noise floor of the house and it is one of the goal...
OP, study what signal to noise ratio is, that is a relatively quick way to determine if an amp is "clean".
Also, as others mentioned, don't focus too much on "cleanliness" in amp measurements as that attribute won't necessarily tell you if you will like how a particular amp sounds.
With regards to power line noise, on a separate front from distortion, that is not the amp but the electricity that runs it, and a truly clean amp probably has a good quality power supply that does what is needed to feed the amp clean power it needs to perform well. If not external power conditioning should help or be an insurance policy at minimum.
True that both noise and distortion makes an amp "unclean". The amp itself produces both to various degrees aside from the electricity it runs on.
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