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In Reply to: RE: cathode bypass cap in Ultrapath: ClarityCap TC or Sprague posted by banpuku on April 10, 2017 at 16:13:58
" Also, the Ultrapath implementation is supposed to take the cathode bypass cap out of the signal path (if I understand it correctly)."
The Ultrapath cap IS cathode bypass cap. (you did remove the cap between the cathode and ground?)
What a Ultrapath cap does is (effectively) remove the last cap in the power supply from the output tube's AC signal current path but the last cap in the power supply is now in the input (grid) signal path (along with the Ultrapath cap).
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Follow Ups:
Tre',
Given higher gain with the input tube doesn't that make less of an issue of removing the final cap from the finals signal path? (since its in the signal path of the driver tube doesn't that somewhat null the benefits)
I suppose a high impedance CCS on the driver tube solves that issue?
what do you think about using the ultrapath/WE cap with push pull? advantages there?
Sean
I don't know.
Getting the high current out of the cap might be better?
As for PP, see link.
Scroll down. Compare "Conventional PP" vs. Western Electric PP. It sure is a less complicated path(s).
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Thanks Tre'!
Tre - very helpful. I did remove the cap between cathode and ground.
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