Over 7 years ago I made a run of a great circuit with a bit of a twist. The “Super-linear Cathode Follower” or SLCF is a great way of optimising the cathode follower stage and make it more linear by bootstrapping the anode and forcing the valve to operate in a vertical load line hence reducing the distortion significantly. And it does sound pretty good I have to say. If you aren’t familiar with this topology and want to learn a bit more, of course read Allen Wright’s amazing textbook or have a look at the following posts here.
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