what would you use as a bypass cap? auricap or russian PIO? - diyAudio
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Old 5th June 2006, 01:30 PM   #1
jarthel is offline jarthel  Australia
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Default what would you use as a bypass cap? auricap or russian PIO?

as title. thanks for the reply.
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Old 5th June 2006, 02:16 PM   #2
Zen Mod is offline Zen Mod  Serbia
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Default Re: what would you use as a bypass cap? auricap or russian PIO?

Quote:
Originally posted by jarthel
as title. thanks for the reply.

I prefer PIO;but-just as first setup;

but-only your ears can tell you what's better
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Old 5th June 2006, 02:29 PM   #3
kmj is offline kmj  Sweden
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And the russian PIOs look quite impressive

I'm going to use 4x30uF and 4x10uF (Russian PIO) in my aleph-pre when I get around to building it
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Old 5th June 2006, 02:29 PM   #4
AndrewT is offline AndrewT  Scotland
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Hi,
which bypass cap?

The one that bypasses an audio signal past an electrolytic, or the one that bypasses glitches from active devices to the PSU.

For the audio, most would recommend a polypropylene.
for the second a ceramic.
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Old 5th June 2006, 03:06 PM   #5
jarthel is offline jarthel  Australia
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Quote:
Originally posted by AndrewT


For the audio, most would recommend a polypropylene.
for the second a ceramic.
if the amp is a tubed one, would the answer be the same?

thanks
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Old 5th June 2006, 06:07 PM   #6
AndrewT is offline AndrewT  Scotland
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Hi,
the choice of high voltage ceramic caps is quite restricted. But for glitch suppression they are virtually unbeatable.

However, in a tube amp, the glitches due to sudden current changes may be non existant. ClassAB tends to generate them rather more than sound transients.
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Old 5th June 2006, 06:40 PM   #7
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i use some 400 volt mylars i got from radio shack. gets the job done.
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Old 5th June 2006, 06:53 PM   #8
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As bypass cap I use russian PIO and russian teflons. Tefon caps are much better for bypass. They gives very clear detailed and fast highs.
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Old 13th June 2006, 01:43 AM   #9
KBK is offline KBK  Canada
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While I don't doubt the efficacy of using a bypass cap to bring about a change.. I have found that..after over 20 years of using diffreing levels and types of bypass caps thoughout the years: In conclusion, a single cap of high quality is far better, and far less damaging to the sonic integrety of a given PS or signal path. I know that such can be expensive to enact, but it gives, by far, the best result. The most honest result, one that is most in concert with the timber, harmonics and actual character (envelope) of the given signal.

What I mean is, no bypass caps of any kind, whatsoever. Single cap only, or multiples of that given type, in parallel. But the single is best.

Your mileage may vary.
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