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Re: OK, guys...

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Jerry, why should you ask a question like this? Why don't you just go listen to a high end system? What's your problem?
The history of hi fi amplifier design goes back more than 55 years, and significant research was already available before that time. I have in my lab, one of the oldest tube designs (Williamson), several Dyna tube amps, and a whole variety of power amps, from my first effort 35 years ago, to my latest hi end product. ALL amps measure and behave differently. Some are faster, and have higher slew rate, others have only low order distortion. The worst are both slow and have lots of higher order distortion. However, even the best amplifier that I can possibly build will have a sonic signature, but hopefully not much of one.
Your overall attitude is like a high school kid wondering what difference there is between auto tires. Why do some cost so much more than others? How could someone explain that to someone with your lack of understanding?
What you should do is to look up amp design on the internet and learn what you are asking about. I use the internet in this way, and you can too. Don't think that I am being too hard on you, I was once fairly ignorant about tires into my '50's. Then I changed the tires on my old Porsche to better ones, and I was AMAZED at the difference, yet there was no obvious parameter that had been changed significantly. Still, it took a Porsche to show me the difference, I doubt that my Honda would have showed the difference in the same way. The same goes for amps. You HAVE to own a pair of good speakers and a good musical source to hear much difference between many amps.


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