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Elna Silmic II or Elna Cerafine?
Elna Silmic II or Elna Cerafine?
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Old 19th August 2010, 12:40 AM   #21
rg12 is offline rg12
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Join Date: Aug 2010
Thanks man, i just ordered the caps and right after that i noticed this reply
from you.

This is exactly what i did, i don't have professional knowledge in electronics,
so since i didn't get a reply for this thread for a few days, i picked up the
scheme yesterday, printed it and sat on it for a few hours(!) and finally
i got to the same conclusion you just wrote in your reply.

Im learning alot from all this amp modding.

Thanks alot!
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Old 19th August 2010, 12:54 AM   #22
Pocoyo is offline Pocoyo  Indonesia
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Location: Indonesia
hi rg12

dont worry we all are still learning here
three years ago i didnt know everything about the audio
(maybe the saint, peter daniel and algar emi was very sad
when their receive my letter )

in audio world you will very lucky if you have friend in same hobby
you dont need to experiment all parts with your money

if i remembered all the things happen before
from smoking amp, blowing transistor, electric shoots, damage solder
was the unforgetable moment
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Old 19th August 2010, 01:44 AM   #23
rg12 is offline rg12
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Im happy to here that, thanks alot for all the help!
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Old 27th June 2011, 09:13 AM   #24
erickalan77 is offline erickalan77  United States
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Location: california
why does someone keep saying electrolytics have a life span of 1000 hours ? Where did you get this information. I have a lot of 13- 20 yr old "top of line" equipment and wanted to know the lifespan of Caps - I came across a text book liek tutorial or manufactor page that stated Electrolytics have an electrical lifespan of apprx 20,000 under normal conditions. . . . 1000 hours huh ? If that were true I would be buying boom boxes for work every 6 months.. They last a few years till dropped a few times and then some...

Does anyone know of very small 25 volt films in 2.2uf for coupling. . . It looks like I am going to have to get SilmicII, perhaps toss in polystyrene bypass caps. . Does anyone know if .01uf styrene will have an effect and not be too much of a capacitence . . . My hobby is speakers so this coupling cap stuff is new to me . . .
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Old 27th June 2011, 12:54 PM   #25
rg12 is offline rg12
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Join Date: Aug 2010
Man, this post is so old that i need to do a recap again...(jk)

You can check your old electrolytics with cap tester and see if what
you say is true. It's not that they die after 1000 hours.

I don't think a cap manufacture will say their caps hold for 1000 hours
when they can actually last 20,000 hours.
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Old 27th June 2011, 01:01 PM   #26
alant4321 is offline alant4321  Canada
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There are two types of capacitor in amplifier, the decoupling capacitor in analog signal path and bypass capacitor in regulated DC voltage supply. For economical purpose, use ELNA Silmic II in signal path and ELNA Cerafine in DC bypass. If affordable, use ELNA Silmic in both.
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Old 27th June 2011, 02:04 PM   #27
tinitus is offline tinitus  Europe
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Elna Silmic II or Elna Cerafine?
for supply caps, I tend towards using new Panasonic FR

but my actual reason for posting now
it was a surprice to me reading about how they get to the life test
a bit different than I thought
and I guess different from what most people think it means

105degr means that the cap has been exposed to 105degr
but only shortly
once reformed to 'normal' 20degr, they should last the for the specced life
which means they are not supposed to work at high temperature for a long time
it only means they will still work if accidentally exposed to high temperature, for a short period

the really strange test is testing storage 'shelf life'
exposed to 105degr for 1000 hours
the reformed to 20degr, and it will meet the working life specs, like 10.000hours, at 20degr working temperature

its all explained in the spec sheet
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Old 27th June 2011, 09:30 PM   #28
erickalan77 is offline erickalan77  United States
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I pounded the net for some poly coupling/decoupling caps can't find anything small so I am going with the silmics II. . . .I am replacing every electrolytic cap in an Audiocontrol 24xs. Very tight quarters.. .But for $10 why not try it . It is either that or toss that turd cause it sounds like straight poo stock and 18 years old. .I might even tackle switching out all the ceramic discs with polystyrene....and I am going to try both dralorics and PRP resistors for the crossover frequency selection resistor arrays. I am trying to resolve a blurred image, dynamics and timbre. . . I'll let you guys know how it works...
out.. . .
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Old 30th June 2011, 11:08 PM   #29
KimmoSWM is offline KimmoSWM  Finland
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IŽd prefer Silmic II to a signal-line and Cerafine somewhere else if needed. Also good are Nichicon FG and Nichicon Muse KZ.

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Old 12th July 2012, 05:53 PM   #30
Aries1470 is offline Aries1470  Australia
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Location: Melbourne
Default Just a follow-up on an older thread

Hi all,
For historical reasons, just thought to put the link for Elna Silmic.
Aluminum electrolytic capacitors for audio applications - Features of the SILMIC series | ELNA
also here is the archived version from archive.org
Internet Archive Wayback Machine

Just incase the page goes missing.

Sounds very interesting indeed :-)

Now what to choose, Elna or Nichicon or Sanyo? Hmmm...
Well for my 'eclipse' cmoy that I am preparing, I will need to go with either Nichicon or Sanyo OsCon due to size.

p.s. 'eclipse' is like altoids tin, just smaller and more readily available here in Australia.
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