USB to AES or SPDIF converter that passes native rate fed to it

Brucemck2

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May 10, 2010
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I use Roon and HQ Player feeding a MicroRendu as one of my front ends. That provides a great user interface and a high quality USB output signal.

I need to feed a device that has AES and spdif inputs. Is there a high quality USB to AES or SPDIF converter that passes the sample rate it's fed? I've got a nice Empirical Audio USB device, but it caps out at 192k PCM. I also looked at the Mutec 3+ but it appears to only output at a pre-selected PCM rate.
 

pkane

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Jan 6, 2017
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I need to feed a device that has AES and spdif inputs. I also looked at the Mutec 3+ but it appears to only output at a pre-selected PCM rate.

Mutec 3+ USB will output at the PCM rate you feed into it. It automatically detects and re-clocks the signal to the input rate, up to 192K. It does not do rate conversions. It will also convert DSD input to PCM, that output will be at a selected rate.
 

Brucemck2

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May 10, 2010
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Pkane, thanks! I didn't see that in a cursory read of the owner's manual
 

pkane

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Jan 6, 2017
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Pkane, thanks! I didn't see that in a cursory read of the owner's manual

For another USB to SPDIF/AES/EBU device you may want to consider Singxer SU-1. Very well made, works up to 384K PCM and up to quad DSD when used with a DAC that supports it.

SU-1 also just passes the input rate to the output, but unlike Mutec, it does not convert from DSD to PCM. This unit is tweaked by many (to add a linear power supply, to improve voltage regulators, replace capacitors, etc.), but works well in the stock configuration.
 

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