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RE: Thanks! I think...

IMO a Class A PP pentode amp would not require as much NFB as a Class AB PP pentode amp because the tubes a Class A pentode amp are running in a more linear way than the tubes in a Class AB pentode amp.

Having said that, the real reason a PP pentode amps needs NFB is to lower the plate resistance of the pentodes so the damping factor is improved.

Tre'
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  • RE: Thanks! I think... - Tre' 09:41:35 08/18/16 (0)

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