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Old 21st September 2013, 04:23 PM   #1501
EUVL is offline EUVL  Europe
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Please consider to parallel your Wima MKS with Wima MKP2 0.1, and see if you hear any improvements.


Patrick
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Old 21st September 2013, 07:45 PM   #1502
suburra is offline suburra  Italy
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Patrick,

just do it...0,1 uF PPS and you are right!

Medium and High frequency are more armonics
Suond , before, was just a bit clinical...now more musical and more body

Marco
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Old 23rd September 2013, 09:33 AM   #1503
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0.1 MKP Is better then PPS
even better Is 0.1 foil film
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Old 23rd September 2013, 12:52 PM   #1504
suburra is offline suburra  Italy
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Hi

to my ears, PPS was better then Wima MKP 2 in this place
And yes, Film foil for sure it's the winner, but too big for my PCB
I will try 0,01uF Film/Foil

Marco
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Old 23rd September 2013, 01:07 PM   #1505
EUVL is offline EUVL  Europe
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PPS is fine.


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Old 23rd September 2013, 01:12 PM   #1506
suburra is offline suburra  Italy
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Yes

I ever use PPS instead MKP for this...very neutral Cap, no color add
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Old 26th September 2013, 04:43 PM   #1507
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you can try WIMA FKP3 0.1
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Old 27th September 2013, 06:18 PM   #1508
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Quote:
Originally Posted by EUVL View Post
Your "drift" is very likely due to leakage in your capacitors.
Patrick
By formatting the caps before use you can reduce this to almost zero: take a Vb of the rating of the cap, connect the cap with a 100k or maybe 10k resistor, you will see the voltage go up very slowly, and at the end, maybe a day later, the voltage remains stable.
Formatting configures the layers in the cap. And ensures a smoothing of the boundary layer (giving less shot-gun noise also aggregately seen as leakage).
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Old 3rd October 2013, 12:22 PM   #1509
ENSen is offline ENSen  Sweden
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I have been using 500R as R_iv in my SEN for a while without problems but yesterday I changed to 680R as recommended for es9018 and then I get heavy clipping on some tracks. Could it be that 680R is too much or do you think I have some other problem?
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Old 3rd October 2013, 12:40 PM   #1510
needsp is offline needsp  United Kingdom
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Hi

I think 680R was intended for use with each individual DAC. The ESS9018 contains eight. I use it in stereo mode, four DACs per channel (Twisted Pear Buffalo II), and so, with four times the maximum current, a value of 150R is more appropriate- to prevent possible overload, and set the output to standard level

Paul N
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