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Upgrade YBA Passion 1000 CDP
Upgrade YBA Passion 1000 CDP
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Old 24th May 2019, 11:56 AM   #1
TONI G is offline TONI G  Spain
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Join Date: Feb 2019
Location: Mallorca
Default Upgrade YBA Passion 1000 CDP

Good Morning,
I open this thread to ask for help. I have a cd player YBA Passion 1000 double power suplie. It is already an old model and in recent times I have tried to make some improvements

- I have changed the original signal cable to the RCA output. I use silver Duelund cable.
- I have replaced the original opamps with Burson Audio opamps.
- Following the recommendation of Burson audio, I have connected a cap of 0.01 uf to each opamp. Burson Supreme Sound (SS) Opamp 101 Part 1 (MKP cap tweak) – Burson Audio
- I replaced the CD player fuses.

These are my doubts:
- Would you change the RCA connectors for others of higher quality?
- Would you exchange the caps marked in the photo with a red circle for others of higher quality? Do these caps marked with a circle do the same function as the ones I have connected to the Burson opamps?
-Do you make any other improvement?

Best regards
Toni


yba.jpg IMG_0989.jpgIMG_1008.jpgcaps opamps yba.jpg jupiter caps.jpgIMG_3366.jpg
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Old 26th May 2019, 10:49 PM   #2
sumotan is online now sumotan  Indonesia
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Hi Toni,
I presume the decoupling caps between the Burson are the +- supply, are they about 100uf in value ? Yes changing those will affect the sound. What improvements are you after ?
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Old 27th May 2019, 08:12 PM   #3
TONI G is offline TONI G  Spain
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Quote:
Originally Posted by sumotan View Post
Hi Toni,
I presume the decoupling caps between the Burson are the +- supply, are they about 100uf in value ? Yes changing those will affect the sound. What improvements are you after ?
Hi, thanks for answering. The value of these electrolytic capacitors is 1 uf. The mkp have a value of 0.022 uf. My question is whether, after adding a pair of 0.1 uf capacitors (following the recommendation of burson audio) to "feed" the two Burson opamps (with two good quality Jupiter capacitors), it is worth replacing the capacitors indicated by others of higher quality.

I'm looking to improve the sound in general. Each improvement that I have made has improved the sound: greater detail, smoothness, body, microdynamic ...

The sound of my YBA CD is not as detailed as, for example, the D / A converter Auralic Vega (which I have been able to compare) but it is more musical, a more "analog" sound than the Auralic.
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Old 27th May 2019, 08:35 PM   #4
TONI G is offline TONI G  Spain
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Join Date: Feb 2019
Location: Mallorca
Another question: does anyone have any explanation as to why wood is placed on some caps (and some other component that I do not know) on this YBA cd player? (his last cd player Signature). YBA also uses this resource in its Pre Signature.

IMG_4230.jpg
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Old 28th May 2019, 04:43 AM   #5
sumotan is online now sumotan  Indonesia
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Yes seems like wood is use for some sort of resonance control.
Re the 0.22 uf cap, can you verify if it is connected in series to the 1uf E cap or ???
If you have a schematic would make things much easier to assist.

Cheers
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Old 28th May 2019, 12:34 PM   #6
TONI G is offline TONI G  Spain
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Quote:
Originally Posted by sumotan View Post
Yes seems like wood is use for some sort of resonance control.
Re the 0.22 uf cap, can you verify if it is connected in series to the 1uf E cap or ???
If you have a schematic would make things much easier to assist.

Cheers

I do not have any scheme but in the attached photo you can see that the printed circuit with replicates the scheme used.
Attached Images
File Type: jpg esquema.jpg (1,012.0 KB, 134 views)
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Old 28th May 2019, 03:34 PM   #7
sumotan is online now sumotan  Indonesia
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You can play with the 1uf cap first. I believe the .22 uf cap is connected in series with the E cap at attain a certain sound. Try different brands of cap from 1 uf to 4.7 uf to see its effect on sound. Different caps will have different sonic signature so this only you can find out what suits you best.
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Old 29th May 2019, 10:48 AM   #8
TONI G is offline TONI G  Spain
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Join Date: Feb 2019
Location: Mallorca
Quote:
Originally Posted by sumotan View Post
You can play with the 1uf cap first. I believe the .22 uf cap is connected in series with the E cap at attain a certain sound. Try different brands of cap from 1 uf to 4.7 uf to see its effect on sound. Different caps will have different sonic signature so this only you can find out what suits you best.

OK thanks. At this point I understand that the MKP cap is added to the electrolytic caps and both offer a certain sounic signature. As I have added another cap of 0.1 uf, this adds to the other caps modifying the sounic signature (as in fact has happened).


BR


Toni
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Old 13th June 2019, 10:51 AM   #9
TONI G is offline TONI G  Spain
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Hello, I am thinking about the possibility of replacing the electrolytic caps of 1 uf per MKP caps that "feed" the opamps. It is true that there is little space between the opamps and electrolitic caps. an alternative is to take advantage of the space marked in the photo and connect with extra cable the caps with the printed-circuit board. This way I could have more possibilities with the 1uf cap. (for example, one type mkp instead of electrolytic.) The original mkp caps are connected to the electrolytic ones, interestingly, the printed circuit board is "duplicated" as indicated in the photo. But the problem is that electrolytic one of the two holes has a marked "+." (view photo). These caps have polarity? I did not know. If so, my plan is not possible since I do not know any MKP cap that has positive and negative. Can someone help me?

Another question, does anyone have any sound improvement experience replacing the RCA terminals? can it make sense to change the RCA terminals of my cd through the terminals of this link? WBT 0210-CuMs RCA Female Jack


actual configuración.jpg

my plan.jpg

caps polarity.jpg

espacio marcado.jpg

IMG_1008.jpg


BR


Toni
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Old 13th June 2019, 02:53 PM   #10
StewartH83 is offline StewartH83  England
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Interesting thread. Nice one 🙂

I would change the electrolytic caps near the rectifiers to Panasonic FR and the rest to Nichicon Fine Gold or Audio Note if you want something a little special.

The blue Wimas caps are more than good enough

The phono plugs won't gain any improvements and would only change them for piece of mind if you like the looks of quality

How was the fuses change for you? , much debate on fuses and interesting to know how you found them
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