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Maryland AKer's*** Red alert*** IMF's your area

mcgarick said:
In Extended listening
a very slight edge was also added to the overall sound,I took out the polypropylene caps.... even with a tube pre I have, that normaly sweetens things up a tad.
Maybe I'll try something else.....
Click to expand...

I have seen postings from knowledgeable crossover designers who say if electrolytic caps (usually bi-polar) used in a speaker crossover are replaced with non electrolytic caps, there will likely be changes in the speaker response due to the difference in equivalent series resistance (ESR) between these 2 kinds of caps. If you have replaced bipolar electro caps with poly caps, you may be changing the frequency response of the speaker for the worse unless you account for the ESR change in the new circuit.
 
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