Home Tube DIY Asylum

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

No longer...

Bottom line - I dislike SRPP and muF's - and hate that they use some form of NFB to gain the qualities that they are used for.

The upper tube is meant to be a CCS - but it's not really - and the OPZ is meant to be low - but it's also not really because it can't drive curreent without affecting other parameters.

I only commented on that circuit because I saw they were bootstraping the pentodes's screen off the output to make it work like a double triode cascode - which I do like.. And seeing that gace me an AhHuh about something completely different.

Had I looked into it as deep as you have - I would have kept my mounth shut!

Allen


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