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Car Audio Discussion
General Car Audio
Class D vs Class A/B
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<blockquote data-quote="Breaker" data-source="post: 8720362" data-attributes="member: 681202"><p>The old class d has pretty nasty output signals that even decent o scopes struggled with unless you manually sound fine tune them because eventually its a DC pulse but once it sees resistance though the circuit it wound smooth the modulelation. But not tge output falters are substantially better and switching is often 80khz or better so its not noisy like the used to be and dampening slow rate and s/n is close to midrange class a/b amp's so they are pretty decent..</p><p></p><p>Class D suffered from IMD much worse THD although the was an issues IMD was often 10% or more at rated power</p></blockquote><p></p>
[QUOTE="Breaker, post: 8720362, member: 681202"] The old class d has pretty nasty output signals that even decent o scopes struggled with unless you manually sound fine tune them because eventually its a DC pulse but once it sees resistance though the circuit it wound smooth the modulelation. But not tge output falters are substantially better and switching is often 80khz or better so its not noisy like the used to be and dampening slow rate and s/n is close to midrange class a/b amp's so they are pretty decent.. Class D suffered from IMD much worse THD although the was an issues IMD was often 10% or more at rated power [/QUOTE]
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