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Old 8th April 2017, 01:44 AM   #831
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Quote:
Originally Posted by mcl2k6 View Post
What I couldn't yet find out is how could the optimal value of the Schade be found out, or better, what tube parameter(s) does it depends on? Does the previous stage - basically the driver tube - has any effect on the amount of Schade to be applied?
With 6N1P driver I found that 100k seems to be the best for 6P36S, but this was determined experimentally by countless exchanging of the resistors, and running swept sine analysis, and checking the THD afterwards.
It is not about the value of the resistor per se; it is about feedback ratio that this resistor with anode load resistor provide. And it is about the driver that drives the thingy loaded on low parallel feedback resistance adding own Ri into the equation, so adding feedback to the output of a triode driver it is not unequivocally are you improving sound quality or harming it.

Everything has to be optimized as a whole. No rules of thumb here.
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Old 6th May 2017, 08:41 PM   #832
sser2 is offline sser2  United States
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Default What happened to this thread?

There used to be over 100 pages, now only 86. My yesterday's post disappeared, among other things.
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Old 6th May 2017, 08:55 PM   #833
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There used to be over 100 pages, now only 86. My yesterday's post disappeared, among other things.
Over here maybe?: More Ruminations on Screen Drive/Crazy Drive

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Old 6th May 2017, 11:49 PM   #834
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yes, the thread was split....
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