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Topping D10s USB DAC and Bridge Review

staticV3

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Yep. Schiit Urd unison usb output. It’s very picky about what it plays with despite Schiit claiming anything UAC compliant works.
You can simply convert the Urd's Coax output to Toslink, with one of these inexpensive converters:
71L5cp2Y--L._AC_UF894,1000_QL80_.jpg

Or is it that you need both Coax and Toslink out of the Urd?
 

staticV3

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Thanks but can imagine it wouldn’t work with those either. I know the Topping D10 works so I’ll go with that.
It would 100% work. And at a much lower cost than the D10s, and with identical sound quality.
 

staticV3

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That contraption still needs its own power source. No good to me.
If it must be USB powered, I would first try the Hifime UT23.

It's way less expensive than the D10s (no built-in DAC, go figure), and extremely basic (UAC1, low power consumption), making it highly compatible.
 

Mantra

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hi
but about these cheap dacs , about the drivers ?
should I use V5.57 & V4.86 driver for most of TOPPING DACs ?
thanks
 

Mantra

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Yes, all the drivers work the same. I didn't even update mine for years.
hi
no problem with usb power supply ,right?
for the usb power supply i mean noise
thanks Jimster480
 

Jimster480

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hi
no problem with usb power supply ,right?
for the usb power supply i mean noise
thanks Jimster480
Honestly, just use a good USB adapter, like a first party Samsung charger or LG or HTC, as all of those are quality. Otherwise, just buy one quality charger.
 

Aldoszx

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I suppose we are talking about D10s here, is that right?
In this case, you don't have to use a power supply !
D10s is powered directly from USB port. There is not a separate power input socket.
 

Toku

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I suppose we are talking about D10s here, is that right?
In this case, you don't have to use a power supply !
D10s is powered directly from USB port. There is not a separate power input socket.
Yes, it's supposed to be D10s, but the topic seems to be moving in a different direction.
 

jeffbook

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The D10s jitter performance can be seen in Amir's review of that specific model copied below below.

index.php
 

rcstevensonaz

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The D10s jitter performance can be seen in Amir's review of that specific model copied below below.

index.php
So comparing these graphs, the D10S (above) largely hovers around -150. But from the other graph, the D10 and D10B start at 5 and then largely hovers around 4e-13. Does that mean the D10S is massively better because it starts at a lower level? Or that the D10/D10B are better since they drop down to a much smaller number (even though starting higher)?

Put different, if I understood how to read these charts, I would have already answered the question (how does D10B vs D10S compare, was the other charge comparing D10 or D10S against D10B) before posting it :)
 

Jimster480

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So comparing these graphs, the D10S (above) largely hovers around -150. But from the other graph, the D10 and D10B start at 5 and then largely hovers around 4e-13. Does that mean the D10S is massively better because it starts at a lower level? Or that the D10/D10B are better since they drop down to a much smaller number (even though starting higher)?

Put different, if I understood how to read these charts, I would have already answered the question (how does D10B vs D10S compare, was the other charge comparing D10 or D10S against D10B) before posting it :)
They are also good that they are inaudible, so there is no real difference between any of them. You would not be able to tell or hear any difference.
 

rcstevensonaz

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They are also good that they are inaudible, so there is no real difference between any of them. You would not be able to tell or hear any difference.
We know that — Amir even explicitly commented as such (against the original D10, I believe). But, the question is still a fair question on an audio forum dedicated to measurements.
 

staticV3

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Just to confirm, was the comparing the D10B against the original D10 or the newer D10S? In the writeup, it says the reference is against the "old Topping D10"; and the label the chart is "D10" rather than "D10S". So it seems this chart doesn't provide a comparison of D10B vs. D10S.
Nice catch!
That may well be the original D10.

The D10s jitter performance can be seen in Amir's review of that specific model copied below below.

index.php
That's the jitter of the analog Line out, whereas the original question was which D10 version provided the best DDC performance.
 

rcstevensonaz

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That may well be the original D10.
I would expect the D10S and D10B to have essentially identical jitter response since the USB chip and DAC are identical and both versions are based on the "revised" D10 platform. Which was why I was initially surprised that there was such difference in that chart. Which then triggered a question of what was actually compared ... and if that was the D10S, what would account for the difference (e.g., some advance in the firmware of D10B that wasn't back ported to D10S).
 

KSTR

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I would expect the D10S and D10B to have essentially identical jitter response since the USB chip and DAC are identical and both versions are based on the "revised" D10 platform.
Basically my take as well.

Actually, I would't worry anyway because the jitter will be low by design. With the Master Clock being local, there is nothing to synchonize to or to reconstruct from with a PLL etc, therefore little chances of significant jitter mechanisms, much different to a receive process.

IIRC, with my D10s, for the Jitter on SPDIF-Out from USB input (DDC use case) I did not see anything with the AP2322's jitter analyzer but mind you, this is an AP System Two generation model from late 1990'ies. The newer APx models have quite a bit more resolution and there might be something to measure, down low.
 
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