Re: Vinyl aficionados and their perception of audio quality Reply #50 – 2017-12-06 13:30:25 Quote from: polemon on 2017-12-06 08:39:16Something like this lets me just put my hand to the forehead and sigh slightly:QuotePosted by Ralph (M) on December 5, 2017 at 13:29:59In Reply to: RE: Why do you waste your time posting there? posted by John Elison on December 4, 2017 at 22:42:08:The human ear is far less sensitive than electronic measurement equipment. Therefore, we can measure all sorts of distortion and other things that no human can hear. Everyone knows this. If you think you can hear frequencies that cannot be measured you're delusional. This is a common myth. IOW, the statement above is false, although if the opening statement were to read something like 'The human ear is **usually** far less sensitive...' it would be more accurate.We can easily hear some forms of distortion, in particular higher ordered harmonics. The reason for this is that the ear uses higher ordered harmonics on order to sense sound pressure. We have about a 140 db range (although the upper limits will cause damage as you know). GE proved this back in the 1960s but the implications have been largely ignored to this day. In fact we've had inklings regarding our sensitivity to higher ordered harmonics going back to the 1930s (see Radiotron Designer's Handbook 2nd edition).The ear converts most forms of distortion to tonality. Most engineers know that the 2nd harmonic of tubes contributes to their 'warmth' or 'richness'. Trace amounts (that can be difficult to measure) of higher ordered harmonics are what make solid state amps sound bright and contributes to harshness. It is the presence of higher ordered harmonic content in SETs that causes them to sound 'dynamic'. Its my supposition and experience that when audiophiles are using the word 'dynamics' that they are usually talking about distortion and that the two terms can be exchanged without changing the meaning of the conversation. That might sound cynical to some but that's my experience.Ref.: https://www.audioasylum.com/audio/vinyl/messages/115/1159235.htmlThis is what I mean with this: This person obviously has never visited a cal lab or any lab dealing with signal analysis. Go easy on Ralph, he spent a year in a UMinn EE program taking electives, like 50yrs ago. You can't help but see the humor with the Dunning-Kruger audio chumplings. Can't make this stuff up. Them "laughing" at us "lofi" folks, with zero cognizance, makes it 10x as funny.