New AES3/USB interface?

@designsfx 

I've tried just about every configuration available. This appears to be the only setting that gives me audio.

Also, I'm unable to have nothing selected for the Reference column and at no point am I able to change anything in the Clock Out column. When I scroll through the settings, that column is always skipped. I wonder if that setting is tied to a particular input/output of the device?

Only one AES for me. The PMC speakers run in a "daisy chain" configuration. Thanks for the recommendation. I'll check out those other brands.

I brought this issue up with Mutec directly but they appeared to be less than interested in investigating the issue.

@designsfx 

yah, USB from Mac to Mutec is how I've got it. The reset is strange. It'll start with one monitor then move to another, then the last. With each one appearing to power down and back on.

Like I said, these PMC units have been replaced twice over. And oddly enough, sometimes this occurs when I'm not playing audio but monitors are powered on and still connected to the Mutec -- but is mostly noticeable when music is playing, typically mid song.

So to answer your question, I never notice it when sample rates change.

After looking at the recommendations I've realized both are too large for my desktop studio setup. I may give this Matrix Audio unit a go. Has anyone heard anything good/bad?

X-SPDIF 2

@rms456 

any idea why the signal would be lost?

This appears to occur randomly. Sometimes with no music playing, other times in the middle of a track. Sometimes it’ll not happen for a week, or it’ll happen several times a day.

@designsfx Ah, I assumed you meant sample rate change from track to track.

There is no other hardware other than the MacStudio, Mutec MC-3 and the PMC monitors.

I did just hear back from Mutec. They suggested maybe the USB cable wasn't allowing for enough power but I'm using external power so that's a moot point.

I wonder if a higher quality USB cable is necessary?

@designsfx

My Mac does see the MC-3. Roon shows the MC-3 as the endpoint in the system.

It is a very odd issue and its driving me nuts ;)

I guess I can try that Matrix Audio X-SPDIF 2 and see if the change in hardware changes anything.

@designsfx 

I've tried all the settings. The only mode I get audio from is INTERN/RE-CLK. I unfortunately don't know much about this unit. It was a means to use these monitors with my desktop in my office.

MC-3 settings

@designsfx

After looking at the Mac specific instructions, I noticed this. Looks like everything displayed on the front is normal and expected.

I may try a hi-end USB cable and see if that changes anything. Will also most likely get that Matrix Audio X-SPDIF 2 and compare results.

"Hardware Setup

• Power up the MC-3+USB via the switch on the rear of the device.
• The MC-3+USB has several modes of operation, but for audio re-clocking you need to set it to »INTERN« & »RE-CLK«.
• Press the MENU button once (LEDs flash) and use the SELECT button to cycle through the MODE menu until the top (INTERN) and bottom (RE-CLK) LEDs in the MODE column both light up.
• As a result the top three LEDs in the REFERENCE menu should light up at once as the default setting and indicate that the USB input has been selected as audio input."

@designsfx 

No, worries. I appreciate the attempt!

BTW -- Mine was taken from the Quick Start Guide I downloaded from their website today. Might want to check that one out and compare.