Are future improvements in Amp/PreAmps slowing to a crawl?

https://www.stereophile.com/content/nelson-pass-circuit-topology-and-end-science

Is Nelson Pass Right?

don_c5509-04-2017 5:58pm

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roger_paul Details Discussions Posts This discussion Message User 291 posts 11-03-2017 at 09:08pm Copy Comment URL Report Comment Edit Delete kosst Your right about the not so common path but - wrong about H-CAT It is not class D.
kosst_amojan Details Discussions Posts This discussion Message User 2,095 posts 11-03-2017 at 09:23pm Copy Comment URL Report Comment Edit Delete @roger_paul Sure it is! You can't run a linear power supply or a class A or AB amp in a box with no heatsinks or ventilation. The weight and appearance rule out linear circuits.
stfoth Details Discussions Posts This discussion Message User 435 posts 11-03-2017 at 09:33pm Copy Comment URL Report Comment Edit Delete Wouldn't a perfect amplifier also have infinite input impedance and zero output impedance?
roger_paul Details Discussions Posts This discussion Message User 291 posts 11-03-2017 at 09:34pm Copy Comment URL Report Comment Edit Delete kosst Sure it is! You can't run a linear power supply or a class A or AB amp in a box with no heatsinks or ventilation. The weight and appearance rule out linear circuits. Wow you can tell all that just by looking at it? Very impressive. But wrong. Is this "opposite day" or something?
kosst_amojan Details Discussions Posts This discussion Message User 2,095 posts 11-03-2017 at 09:56pm Copy Comment URL Report Comment Edit Delete @roger_paul I can! In fact, I can say almost anything I want because you can't prove me wrong. Without cooling though, there's absolute certainty what your output stage isn't.

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