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Ideal push-pull circuits... increase odd order.

This is flat out wrong and one of the often quoted 'old wives tales" of audio!

An ideal P-P ciruit should cancel ALL even harmonics but practical amps never do.

But there is no reason why they increase odd order at all - just that with lower amounts of even order the odd's stand out more on a spectrum analyser's screen.

Of course, adding in a high amount of negative feedback will mess up the relationships and then all bets are off on any paper predictions.

Regards, Allen


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