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Amp Tests (1 of 2)
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<blockquote data-quote="John Roberts" data-source="post: 31675" data-attributes="member: 126"><p>Re: Amp Tests (1 of 2)</p><p></p><p>Amp designers wouldn't mind a thermal duty cycle test, to draw a line in the sand. i gave this a lot of though when Bink was doing his big power amp test exercise several years ago. One unintended consequence of a definitive duty cycle test is that amp designers would then target their amps to improve upon that publishable number. </p><p></p><p>The catch 22 is that music is not very neat as a test signal. I believe we are far enough along with digital recording technology to generate definitive test files (that could be looped) that would be representative of different musical genre, and could be repeatable enough to do reliable comparisons between amp platforms. </p><p></p><p>It doesn't even matter what these samples are exactly, as long as they are published so everybody can repeat the tests with identical stimulus. </p><p></p><p>Most amp designers I know, also used some select recordings as part of their design vetting. Standardizing this could get us one step closer to comparable numbers. So Langston could do something else with his spare time. </p><p></p><p>JR</p></blockquote><p></p>
[QUOTE="John Roberts, post: 31675, member: 126"] Re: Amp Tests (1 of 2) Amp designers wouldn't mind a thermal duty cycle test, to draw a line in the sand. i gave this a lot of though when Bink was doing his big power amp test exercise several years ago. One unintended consequence of a definitive duty cycle test is that amp designers would then target their amps to improve upon that publishable number. The catch 22 is that music is not very neat as a test signal. I believe we are far enough along with digital recording technology to generate definitive test files (that could be looped) that would be representative of different musical genre, and could be repeatable enough to do reliable comparisons between amp platforms. It doesn't even matter what these samples are exactly, as long as they are published so everybody can repeat the tests with identical stimulus. Most amp designers I know, also used some select recordings as part of their design vetting. Standardizing this could get us one step closer to comparable numbers. So Langston could do something else with his spare time. JR [/QUOTE]
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