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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp posted by Burney on April 15, 2007 at 23:51:18:
Burney,
Jacking up the gain will have some impact on the linearity and balance of the diff amp. I'd really doubt if you'd notice it. In fact you may find that the slightly increased, mostly second harmonic, distortion is something you like.
Unless you are seriously woried about Output Impedance I would not be doing it just to apply some global feedback. That would introduce other problems and you may then need stabilising componets (zobel networks across the anode loads).
Cheers,
Ian
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