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In Reply to: RE: Coupling Caps for a 300B SET posted by audiophilewannabe on January 03, 2020 at 18:39:31
Unless you are going to try VCap CuTFT or Jupiter Cooper/Wax, I wouldn't bother.
Edits: 01/04/20Follow Ups:
"Unless you are going to try VCap CuTFT or Jupiter Cooper/Wax, I wouldn't bother."
I fully agree with this assessment.
I also do not believe 1uF coupling caps are necessary and would look at the much cheaper 0.47uF caps. Jupiter copper foil/wax 0.47uF/600V runs $99, under your budget, and VH Audio is having 40% closeout on the TFTF teflon caps, which I personally would pick for 300B SET tube amps over CuTF...
From a 1uF to .47uf ..... what sonic difference should I expect? Will I have any issues?
You have to know the value of the grid resistor for the next stage to determine if the .47uf cap will pass all the bass frequencies vs. the 1uf cap.
Did you ever look at the unit to try to determine the value of those resistors?
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Yes on the Teflon's in a 300B. I have the CuTFT in my 801A. I had REL Teflon in my old 845.
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