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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: State of the art is perfect? posted by gusser on March 22, 2017 at 18:37:52:
How did I come up with that you ask? Your previous post's entire theme, part of which I quoted above, is how advanced our capabilities have become both in measurements and simulation abilities that we can basically predict and/or measure anything we wish. You didn't explicitly state perfection, but you certainly implied at least near-perfection. So please don't backpedal now by saying that state of the art is just the best of our current knowledge base. It certainly is that, no argument here, but that is not the way you presented it.
Here's the thing now that you've somewhat clarified what it is the you're trying to say: I will agree with you in that we have the means to design proper circuits without much effort (assuming that one has the proper experience/knowledge on how to use the tools available). Since we are afforded this 'luxury' we should strive to properly engineer circuits to minimize all sorts of distortions. I am an advocate of this approach and that's what I strive for, to the best of my abilities of course.
However, certain topologies or class of audio electronics if you will, have hard limits (well sort of) on how far you can go in eliminating non-linearities while still sounding subjectively good - I Know I just lost you. And this is the whole point; measurements can often times sorta predict what we hear but at other times they fail and quite miserably so. The case of the SET is one such example. Once you properly design an SET amp by following the rules of good engineering practice, you're still left with quite a bit of distortion. The ear however doesn't hear it as such, well at least for some folks. You could design it with 3 or 4 stages using global and multiple local/nested feedback loops and get the distortion real low, but the sound will suffer.
I don't expect you to agree with this last part, but this is my experience - I simply can't deny the subjective, realizing full well that the objective portion is an integral part of designing electronics.
BTW, to clarify, I never called you system a beer budget one. I was trying to make a point about a high performance at a low cost system in the general sense.
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Follow Ups
- RE: State of the art is perfect? - sideliner 21:09:03 03/22/17 (1)
- But consider this? - gusser 22:45:38 03/22/17 (0)
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