jjptkd Posted December 14, 2018 Share Posted December 14, 2018 On 12/8/2018 at 7:57 AM, mikebse2a3 said: Measurements in all fields of science are tools and it pays to remember they have design limitations that the user must respect or risk heading down the wrong paths and conclusions..!!! Thought some might find the “Evolution of Thinking” of amplifier designer Dan D’Agostino interesting... Thanks for sharing great video! It reminded me of an old interview of Bob Carver from 1973: https://thecarversite.com/index.php?/topic/3580-amplifier-distortion-bob-carver-1973/ "Considering the efforts expended to reduce distortion to ever-lower levels, it seems curious that few, if any, engineers have ever stepped back from their test instruments long enough to ask themselves exactly what specific goal they are striving for. The difficulty, of course, is that the meters on distortion-test instruments have only numbers on them rather than such meaningful legends as HIGH, Low, and SUB-AUDIBLE. And in the absence of some definitive word from the psychoacoustics labs stating that "the trained listener is unable to hear distortion of complex program material when it is below x per cent," engineers will continue to strive onward—or is it "downward"? — for ever-lower distortion numbers." Quote Link to comment Share on other sites More sharing options...
VDS Posted July 16, 2021 Share Posted July 16, 2021 On 12/8/2018 at 10:32 AM, Chris A said: I wish that we'll all spend a lot less time on 1st and 2nd order harmonics (or even 3rd or 4th order, Both designers seem to agree lower order harmonics are ok, odd or even, different, but not musical or non musical. Feedback should be used sparingly and not as a cure all. Low distortion is not a positive goal in and of itself. Both are Interesting and informative Quote Link to comment Share on other sites More sharing options...
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