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Message: <blockquote data-quote="keep_hope_alive" data-source="post: 8009669" data-attributes="member: 576029">i think amps sound different because of slew rate, not just THD.  a well made Class D will be just fine.  Efficiency comes with how long the transistors are "on".  traditional class A/B allows some overlap so half of the amp is still on when not being used - the result is much less distortion over Class B but lower power consumption (better efficiency) compared to Class A.   As mentioned, modern Class D (and similar hybrids) switch much faster, have proper filtering, and are just fine.  but many people prefer an amp topology that doesn't require filters to remove the nasty side-effects.for speakers, power is low anyway and efficiency isn't much of a concern.  class A/B is fairly cheap, especially used.</blockquote>

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