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It does? Maybe this explains some things.

Jeff, you have reported on changes to power supplies that, in your opinion, sounded better than other ways of doing things. OK

You now say that a tube running at 62.5% will sound better than one running closer to max. OK

I am learning to not trust your ears.

300B's in Class A push pull, at an output level of 15 watts will have .0486% 3rd harmonic distortion and .0033% 5th harmonic distortion when the idle current is at 62.5% of max plate dissipation.

When the idle current is turned up to 90% of max plate dissipation the 3rd harmonic distortion will be .0188% and the 5th harmonic distortion will be .0008%.

The 3rd harmonic distortion is now 38% of what is was and the 5th harmonic distortion is now 24% of what is was.

You must like the sound of distortion.

Tre'

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"Still Working the Problem"

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