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

don_c5509-04-2017 5:58pm

roger_paul Details Discussions Posts This discussion Message User 291 posts 11-03-2017 at 08:34pm Copy Comment URL Report Comment Edit Delete kosst Glad you built your first hi-fi system! Yeah that would be 1969 when I built my first tube amp.
kosst_amojan Details Discussions Posts This discussion Message User 2,095 posts 11-03-2017 at 08:51pm Copy Comment URL Report Comment Edit Delete Fascinating... Valves to class D isn't a very common path.
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?