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#1 |
diyAudio Member
Join Date: Feb 2011
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Hi and thanks for reading this post.
Do you think it would be a good idea to replace the usual aluminium electrolytic capacitors on an amp board for the better specs of a solid state (polymer) type capacitor. I have 4 aluminium electrolytic's around the dac chip (47uf 35v) and 4x 10uf 63v output coupling caps in the analog section, so 8 caps to replace in all, do you think a like for like replacement of the stock aluminium electrolytics for solid state polymer type caps would be okay in this situation. I have done a google search and people have performed this on pc motherboards but there is not much on amps. Many thanks in advance. John. |
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#2 |
diyAudio Member
Join Date: Feb 2003
Location: ..
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solid polymer electrolyte caps excell at low esr, esl - where those properties are important they can be technical "improvements"
last I looked they were only made for lower WVdc, no bi-polar versions if you read Bateman's articles the latter properties point to their being poor choices for "signal path" coupling/DC blocking - if you believe nonlinear distortion has anything to do with "audio quality" in capacitors |
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#3 |
diyAudio Member
Join Date: Nov 2006
Location: Indiana
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Why not try polypropylene types?
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#4 |
diyAudio Member
Join Date: Sep 2002
Location: Lakewood, Ohio
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I don't think that polypropylene's will fit.
__________________
Kevin |
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#5 |
diyAudio Member
Join Date: Nov 2006
Location: Indiana
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