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Old 28th March 2013, 01:53 PM   #21
diyAudio Member
Join Date: May 2005
Location: toronto
Do not use silver mica, it's good for rf but not for audio, Use teflon, polystyrene, or polypropylene film and foil preferred over metalized types
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Old 28th March 2013, 01:59 PM   #22
AmCan is offline AmCan  Canada
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Join Date: Feb 2011
Location: Toronto
Originally Posted by ticknpop View Post
Do not use silver mica, it's good for rf but not for audio, Use teflon, polystyrene, or polypropylene film and foil preferred over metalized types
I think its going to be easiest to go with the Vishay MMKP 383 series because of availability of values, size, and shipping.
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Old 30th March 2013, 11:02 AM   #23
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Join Date: Aug 2005
Location: Aveyron
The OP was asking about 0.1uF/250V - K73-16 of this value is 22 x 9mm which is way smaller than a lot of inferior sounding caps. If there's not enough room topside of a PCB fit them underneath and use longer stand-offs, that's what I intend to do with a DAC build.

Comments about the Russian k73-16 caps are theoretical, if those who spout this theory were actually to try them, they would have to eat their words.

So many theorists harp on about the Walt Jung article from 1980 where he really slags off mylar caps. First point is that this is a very xenophobic article only quoting from American sources. Did he bother to try testing any UK/German/Japanese or Russian caps - no, thought not.

When Russian mil.spec caps first appeared for sale nobody mentioned or tried the PETP caps, they trusted the theoretical crap. Like others I bought into the b/s about PIOs and their variants. I did'nt try any of the Russian teflons because they did'nt appear in the values I wanted and I have only lately bought some Russian polystyrenes. These are OK but don't hold a candle to the PETP caps - so much for theory.

It was only trawling this forum that I came upon the thread started by a UK medic. Medics are by nature realists and not prone to spouting untried theories so I gave these PETP caps a shot and find that the OP did'nt b/s at all.

AmCan I too wish I could find a K73-16 0.0022uF cap to use as a load cap in my phono stage it would replace the Wima. I'm about to order some FKP2 caps for the DAC I'm about to build - let's hope they sound as good as some say.
Black Stuart
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Old 1st April 2013, 06:39 AM   #24
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Join Date: Jul 2003
Location: Dona paula, Goa
Stay away from silver mica for audio. You will have metallic surprises in their sound.

Gajanan Phadte
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Old 2nd April 2013, 11:43 AM   #25
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Join Date: Mar 2004
Location: Budapest, Hungary
I have very good experience with Russian SGM-3 ceramic cased silver mica capacitors in phono RIAA equalization network.
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Old 3rd April 2013, 07:38 AM   #26
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Join Date: Jul 2003
Location: Dona paula, Goa
I also liked the different sound they gave but later found that it is a characteristic behaviour of these caps and the sound was not transparent.

Gajanan Phadte
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