Jeff Urban wrote:

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I am aware of that. If they use a single triode for a splitter the cathode voltage should be what, a third ? In a hifi amp, if they got a full blown Williamson and I mean with the cathode taps they are going to need a hell of alot of voltage on it. I am not sure the old ECC83 an do it. Most full Williamsons with the cathode taps have another stage, sometimes with a bootstrap to get the drive they need. But that type of amp is rare.



** I have rarely seen a total red herring chased down a rabbit hole so thoroughly before.

Quite something.

....... Phil