Playing 192/24 stream via optical input on DAC V1

Well, I can’t do that. The manual says that all the S/PDIF inputs will handle up to 192/24, but I’ve tried with two different streamers (Node 2i and new Cambridge MXN10) and the V1 will play hi res streams from both, until I try at 192/24, at which point there is no sound whatsoever. I can play the streams from the MXN10 via the internal DAC straight into my NAC 202, but the sound is not as good. Am I just wrong about the V1’s capabilities, or is this something that should work?

Do you have the latest firmware loaded?

Hmm…I think so, I reinstalled when I first bought it a few years ago, don’t think there’s been any update since, given that it’s discontinued, but I will check. Thanks, hadn’t thought of that.

Toslink is also a S/PDIF but often fails beyond 96. Keep to coax.

Yes, I’ve ordered a cable, because I did wonder about that. Thanks.

Yep, that’s the fella! Just swapped over the coax cable from my CD transport and it works just fine. Thanks very much. Sounds awesome too!

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Indeed, I think many optical cables are limited to the normal Toslink limit (maybe spec?) of 96KHz, but my understanding is that good cables - well made with properly cut and polished ends, and possibly multicore, but not necessarily very expensive - can transmit 192KHz without issue. The benefit of optical is complete isolation of superimposed electrical noise.

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VDH Optocoupler works fine at 192.

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It is a spankingly good cable which blows the idea that all opticals sound the same out of the water!

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