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RE: I got a question ... me too

"The way to do this is to avoid a single-ended input into a push-pull output (make the entire circuit differential). "

My thought was to modify an existing SE 6V6 UL amp to SE E-Linear.

The driver stage is 6SL7 with a CCS plate load @ 1-2mADC.

The output runs UL mode and also uses plate to grid feedback.

The amp measures and sounds well enough that I might not want to modify it.

I did find other builders of SE E-Linear who said that they had some hum issues with implementation of this type of feedback.

Not sure if it was an issue on inadequate filtering at the PS node or something else.

Still not too clear on what the major advantages of E-Linear are over other feedback modes when applied to SE amplifiers.

More study will be required before moving ahead.

DT 667

Edit : the 6SL7 with CCS apparently is not the way to go for E-Linear driver stage. I did find an SE EL84 E-Linear schematic that I can adapt for 6V6 finals, so it should be easy enough to try out.




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