In Reply to: RE: Questions about 6BG6G amp build (schematic) Grommes 216BA posted by Michael Samra on May 23, 2017 at 03:07:41:
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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Follow Ups
- That global NFB... - PakProtector 14:29:01 05/23/17 (2)
- RE: That global NFB... - Tre' 16:22:42 05/23/17 (1)
- Mostly because the OPT is not inside that feedback loop (nt) - Steve O 21:36:14 05/23/17 (0)