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-   -   Wima FKP / MKS vs. Evox Rifa PFR / MMK (http://www.diyaudio.com/forums/parts/37930-wima-fkp-mks-vs-evox-rifa-pfr-mmk.html)

jonclancy 16th July 2004 04:41 PM

Wima FKP / MKS vs. Evox Rifa PFR / MMK
 
Hi,

has anyone compared the Wima FKP and MKS with Evox Rifa PFR / MMK film caps?

The application is in an external DAC (both power board and DAC boards).

Just wondering if either of them had any significant sonic signature?? :confused:

Many thanks for your thoughts!! :)

Jon

afshindiy 28th July 2013 04:18 PM

hi

I use mks for power dac but wima say fkp beter ...

http://www.pastisch.se/faktiskt/WIMA%20Audio1.doc

analog_sa 28th July 2013 06:43 PM

Quote:

Originally Posted by afshindiy (Post 3576555)
hi

I use mks for power dac but wima say fkp beter ...

Much, much better.

jonclancy 28th July 2013 08:50 PM

Holy thread-resurrection, Batman!! :)

Yep, if you have a choice in the correct value, I'd go for FKP.

afshindiy 8th August 2013 05:23 AM

hi

I use wima mks4 1mf with elna silmic II parallel is good image ...

but when I use 0.74mf fkp parallel with silmic ... I sound loss harmonic !!!

my question fkp1 better or fkp4 ? and what value...?

tanks.

crispycircuit 9th August 2013 01:26 AM

FKP are detailed , dynamic, open. One of the best cheap caps.

ticktock 9th August 2013 01:56 PM

About FKP1 and FKP4, read this:

WIMA

Quote:

Originally Posted by afshindiy (Post 3576555)

Thanks for sharing this. I prefer FKP3 where applicable, e.g. RIAA.
Some years ago I got a batch of them which are 1 % tolerance.
Much better value than all those fancy boutique parts. There must
be something right with them as you can find them more and more
in today's most expensive gear.

dfy 9th August 2013 02:09 PM

Can anyone explain the difference between Wima FKP and MKP to me? Both are polypropylene - the page for the FKPs says they are self-healing and able to withstand extremely large pulses. None of those strike me as especially important for AC coupling in audio applications. Am I mistaken?

ticktock 9th August 2013 02:18 PM

FKP = solid film/foil
MKP = metallized

You will clearly notice the the difference in weight when you hold them in your hands.

BTW, MKP4s are single-sided metallized, MKP10s are double-sided. Prefer the latter if
if capacitance and space are sufficient but FKPs are too big.

dfy 9th August 2013 06:59 PM

Okay, thanks. So what is it that makes film/foil only more desirable for audio than metallized? Is the dissipation factor/ESR even lower?


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