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infernal 13th February 2012 09:13 PM

E83CC in PI or Preamp
I'm lucky and I've found E83CC Philips SQ tube, and I was wondering....
Better use it in Preamp stage or PI stage?
I think preamp but I want elders to give they blessing...
Edit: omg I forgot to mention the amp: 18watter...

gingertube 13th February 2012 09:25 PM

In any Git Amp use your best tube as the input (1st) stage of the preamp. This is the most critical in terms of noise performance and that (low noise) is one of the criteria for the SQ tube.

tryonziess 13th February 2012 09:53 PM

Does that same suggestion hold true for the interstage capacitor. Use the best you can find here also?

infernal 13th February 2012 10:02 PM

Here is my knowledge about caps in amp:
silver mica if 500pF or less needed (precision and stability)
polypropylene if HV needed (high voltage rating and good price)

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