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Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp

Doesn't Allen use the Russian 6H30 variants for a gruntier driver?

And doesn't he use a CSS in the tails of the output pair to avoid those huge bypass caps? And some form of fixed bias? Combination bias maybe?

When copying someone's design, it's best to start at their design before wandering off elsewhere otherwise how will you know how close you are to the excellence of the original? i.e. where the designer's started himself. Allen has gone off elsewhere since I think :-)


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