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Do It Yourself (DIY) paradise for tube and SET project builders.

That global NFB...

is only going to reduce stability margins. Any amount greater than Zero is going to make the amp *LESS* stable.

The balanced NFB applied to the driver cathodes does a lot less to wreck stability margins on a per dB applied than a global loop.
cheers,
Douglas

Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.


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