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In Reply to: RE: Russian K40y9 input coupling caps - first impressiond posted by Tweaker456 on February 11, 2017 at 13:48:43
Do you refer to a capacitor using aluminum foil or metallized film? IME, in a film and foil capacitor, tin sounds better than alu, and copper foil sounds better than both. Unfortunately, the latter type tend to be so expensive that most of us cannot afford to use them consistently.
Really good sounding metallized film capacitors include the Auricap XO and the Dynamicap, IMO.
Yo Lew, it is tin that gets the respect that I was talking about. In this case the OP likes the also well respected aluminum PIO cap so for him that's a good thing. In my one experience with comparing a tin cap an aluminum cap the tin won hands down. I was actually thinking about tin and confused it with aluminum in this case. They ARE both shiny? Won't happen again. T456
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I was just wondering what you meant. I think (but do not know for sure) that metallized film capacitors are made on a base of aluminum foil. Only the two brands of metallized film caps I named are allowed in my gear, on the odd occasion. Usually when I need a large value that fits in a small space or when I don't want to spend the dough on a film and foil equivalent.
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