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Old 15th September 2005, 12:07 PM   #1
Puggie is offline Puggie  United Kingdom
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Default Electrolytic Vs polyprop capacitors

I have searched and not found an answer either here or in the musical instrument section.

I'm building a Fender Champ clone, a very basic guitar amp with 6V6GT for the power section. The amp has a number of 8, 16 and 25uF caps in there, now the supplier of the kit supplies electrolytic caps for these positions, but I've been building passive Xovers recently so anything upto 60uF I automatically go for polyprop caps out of habit because they are what I have been using for the Xovers.

What would the effect be of replacing these larger value electrolytic caps with polypropylene equivalents? I'm building the amp chassis from scratch so space isn't an issue, there is only a few of them so cost is not a big worry.

what is YOUR opinion, will their be any improvement in the sound, would I loose any character of the amp etc. I'm not trying to make a carbon copy of the amp, just a decent small all vale amp with a good tone.
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Old 15th September 2005, 12:17 PM   #2
SY is offline SY  United States
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For a guitar amp, I don't see much advantage. For a hifi amp, it might be worthwhile.

It would look cool (pp caps are MUCH bigger), and you might get better long term reliability.
"You tell me whar a man gits his corn pone, en I'll tell you what his 'pinions is."
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Old 15th September 2005, 12:32 PM   #3
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Ditto what SY said.

A sound generator is somewhat less critical than a reproducer.
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