Candlesticks
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Can they introduce jitter? I can't find any research on this. There are plenty of cheap ones on ebay and I'd like to have one for the rare occasion I'd need one.
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Optical to Coaxial converters introduce jitter?
- Thread starter Candlesticks
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Find me one on Amazon and I can test it.
In principle, anything that increases the rise time of the signal can increase jitter. So depending on the rise time of the optical signal vs coax, this can happen.
In principle, anything that increases the rise time of the signal can increase jitter. So depending on the rise time of the optical signal vs coax, this can happen.
OP
Candlesticks
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https://www.ebay.com/itm/Digital-TO...ngle-Converter-Switching-Adapter/253077608964
Is that ok? It can easily be bought and shipped worldwide.
This looks to be the same thing but more expensive.
Since the Amazon link had prime shipping and is a branded product, I went ahead and ordered it there. Tomorrow, I will have to skip lunch to make up the $5. 
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Not the exact same thing. I have a V-link USB to SPDIF converter. It has both coax and Toslink outputs. I have tested that with a few DACs both ways. No difference you can see in a Jtest. Could post a few results if you'd like.
I think if there is a difference it would be down to implementation of a specific unit. There is no inherent reason Toslink is a problem vs coax. If the tx and rx optical bits are quality it won't be a problem. The early Toshiba chips were a bit of a problem, but one solved long ago. Are they solved for a less than $10 device? Guess Amir will find out.
Here is the eye pattern of the V-link that JA obtained testing one for Stereophile. This was using 15 ft of Toslink cable.
I think if there is a difference it would be down to implementation of a specific unit. There is no inherent reason Toslink is a problem vs coax. If the tx and rx optical bits are quality it won't be a problem. The early Toshiba chips were a bit of a problem, but one solved long ago. Are they solved for a less than $10 device? Guess Amir will find out.
Here is the eye pattern of the V-link that JA obtained testing one for Stereophile. This was using 15 ft of Toslink cable.
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Here is one I had on file. Red is coax and green is Toslink. Tact RCS2.0 for the DAC. Essentially no difference. This shows from 10 khz to 14 khz.
Here is a close in view +/- 20 hz of 12,000 hz. One coax and one Toslink.
Here is a close in view +/- 20 hz of 12,000 hz. One coax and one Toslink.
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So Amir where on your list is testing these converters?
Well, it was not on my radar. But I respond to my chain being yanked so it now has higher priority.
I have to get out a few urgent reviews out though like the Topping DX7 and D50.
I have to get out a few urgent reviews out though like the Topping DX7 and D50.
https://www.audiosciencereview.com/...e-board-and-tosslink-adapter.5884/post-132182 - I'll refer you to my post on this where I dug up the relevant thread with Amir's comments. My use case was motherboard optical SPDIF to Coax SPDIF.
Thanks Archmage! I followed your link and am considering a similar chain (toslink to SPDIF converter connected to Tone Board).
In the JDS Atom thread linked from your post there, I see Amir's comments on the converter:
"No. I have one of those to test just to be sure they don't screw it up! "
My read: he doesn't think the converter will introduce jitter. Did he actually test the converter as well (to confirm his suspicion)? I didn't see that in the thread.
In the JDS Atom thread linked from your post there, I see Amir's comments on the converter:
"No. I have one of those to test just to be sure they don't screw it up! "
My read: he doesn't think the converter will introduce jitter. Did he actually test the converter as well (to confirm his suspicion)? I didn't see that in the thread.
Balle Clorin
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I am also looking for a test of Toslink/coax adapters..Did not find any yet
https://www.monoprice.com/product?p_id=2948#QuestionsandAnswers
https://www.monoprice.com/product?p_id=2948#QuestionsandAnswers
Huh, I ordered that due to not enough inputs, then I acquired a Denon AVR-2312Ci so I don't need it. And I didn't pay attention and went past the return time. Anyone wants it, send me a shipping label, it's yours!
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