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In Reply to: RE: Getting better all the time posted by Cousin Billy on March 07, 2014 at 13:46:17
I thought you said in your original post above that your amps had 28,000uF of capacitance, or are you now referring to the HV supply? Either way, I have never been convinced that Black Gate electrolytics were particularly magical, and I don't think the ESR of a BG would be any lower than that of a top line Panasonic (TS series) or Nichicon. Bypass film caps will give more bang for the considerable bucks of a BG (but I guess you already own the VKs). On the HV supply, I use pi filters. Start with around 50uF then use a low DCR inductor (I use Hammond 3H) followed by 100uF or 220uF.
Follow Ups:
Lew
You and I listen to highly revealing and highly accurate speakers and we hear a lot of things for what they actually are.That is probably one of the major drawbacks with our ESL speakers and that is,bad material and electronics is put on display in a big way so when I tell people that black gates are nothing special,they can't understand why until I put a film cap or motor run in its place.
Honest amplification is better than excessive 2nd order distortion anytime.
We tried them as coupling caps in a solid state mixer and they worked great.
But when we installed them in the power supplies of an amplifier they really were nothing special. The Illinois part worked just as well.
Maybe my terminology is incorrect. See you in the morning. Bill
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