Any new news on FirstWatt??

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Zen switch anyone ?

Steve,

.........not that I want to start an arguement or anything but you were wrong.

This is a Zen switch...............
 

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Re: What is noise?

serengetiplains said:
Quiescent noise, hmmm .... what about "dynamic noise"? For instance, how much "noise" will the electrolytic power supply capacitors inject into the signal being amplified?

Being a Class A amplifier, the quiescent noise is the same as
the dynamic noise.
 
What is noise?

Nelson Pass said:


Being a Class A amplifier, the quiescent noise is the same as
the dynamic noise.

I should probably define my terms. By dynamic noise, I mean the total deviation from ideal amplification exhibited by an amplifier under dynamic conditions. How's that for a definition of noise? That deviation, in a manner of speaking, is present on the output only under dynamic conditions, so I call it dynamic noise. Because I don't know what ideal amplification looks like or should be, I admit not having a workable definition on my hands here. But I do know that, for instance, changing the type or quality of capacitor used in a power supply changes the sound of an amplifier ... ie, trades one form of noise generation for another. I'm betting that lowering quiescent noise doesn't much affect, or at least does not eliminate, noise generated by power supply capacitors.
 
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