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<blockquote data-quote="thylantyr" data-source="post: 1538627" data-attributes="member: 560358">@thylantyr, the circuit uses the amps output terminals. the circuit you describe doesn&#039;t seem to actually detect clipping. It sound more like an automated DMM method. You don&#039;t need to detect actual clipping, this is a toy not a precision instrument like a scope.You are really interested in detecting maximum voltage because if you exceed it,that is when clipping starts.Example, you have a sine wave with 50v peak. Drive the amp higher past 50vand you still have 50v, but the clipping begins. If you overdrive your amp more, youstill have 50v so you can safely say that 50v is your high limit as that is the clippingthreshold. During operation, you drive the amplifier and when you hit 50v,you are right at the performance envelope of the amplifier which is good enoughand your LED blinks.This idea is frequency independent and there is no adverse loading effects on the amplifier.</blockquote>

[QUOTE="thylantyr, post: 1538627, member: 560358"] [B]@thylantyr, the circuit uses the amps output terminals. the circuit you describe doesn't seem to actually detect clipping. It sound more like an automated DMM method. [/B] You don't need to detect actual clipping, this is a toy not a precision instrument like a scope. You are really interested in detecting maximum voltage because if you exceed it, that is when clipping starts. Example, you have a sine wave with 50v peak. Drive the amp higher past 50v and you still have 50v, but the clipping begins. If you overdrive your amp more, you still have 50v so you can safely say that 50v is your high limit as that is the clipping threshold. During operation, you drive the amplifier and when you hit 50v, you are right at the performance envelope of the amplifier which is good enough and your LED blinks. This idea is frequency independent and there is no adverse loading effects on the amplifier. [/QUOTE]

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