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In Reply to: RE: and you're still wrong...and so is Doc Hoyer...:) posted by Michael Samra on May 07, 2016 at 12:54:10
All of that is largely irrelevant. It is obvious the output stage is low gain. I asked you to look at this one piece at a time so that the whole can be examined. Think about the questions, write up your answers, and then go and take measurements.
While you are answering questions, why don't you explain how the driver's positive FB has *ANYTHING* to do with the gain of the power stage?
Douglas
Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.
Follow Ups:
You say it's irrelevant but I don't think it is.I just think it would have been much easier to ease off the driver and design the output stage to step up the gain if that was Mac's intent.
If what your saying us true,it is very low gain compared to a conventional amplifier..All this amp does is basically divide the total impedance between the plate and cathode windings.I just want to see some type of step-up as I did on the st70.Even since we halved the impedance at the plate,shouldn't there still be a proportional total gain being measured at the outputs?
A friend you get for nothing,an enemy has to be bought
If you insist in ignoring the task of examining it, I will turn over the task to somebody else with more patience than I have. I am sure it is not beyond you, should you decide to apply yourself.
cheers,
Douglas
Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.
I shall do that.
A friend you get for nothing,an enemy has to be bought
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