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AMR DP-777, what am I missing ?

There are a lot of people here who love this DAC, I purchased one (used) based on the many glowing reviews, but feel like this DAC falls short.
To be sure it bested (by not a lot) my Wavelength Cosecant (better imaging and bass) but I still prefer my modest analog setup (Rega RP6, Shelter 500).

I am sure my digital front-end is not super tuned: IMac, audirvana, no-name USB cable to DAC. But before I spend more money I would love some advice from the good folks in this forum on how I can make this $5000 retail DAC at least come close to my modest analog setup that cost much less retail without spending too much coin.

Do I need to invest in a music server, or maybe a USB to SPDIF, or better USB cable or all of the above.

Rest of my system.
Coincident Line stage
Coincident Dragon mk2 monoblocks
Verity Parsifal Encore speakers.

Thanks.
essrand
essrand OP
297 posts
 
John,

That's cause a lot of music I listen to are not available on vinyl only CDs :(
mapman's avatar
mapman
22,693 posts
 
I don'tknow this dac. What other DACs have you tried or compared? Are you using usb? Is it an asynchronous usb connection with this dac if so?
douglas_schroeder
3,281 posts
 
I wouldn't dream of running any file-based playback with a trash USB. It would eviscerate the sound quality. I have demoed about ten models from six or seven brands of them in my room and the sound quality differential was large, every bit as effective as tube rolling and nearly as large as switching a component.

I only takes one garbage connection to take down a system. One.
williewonka
3,110 posts
 
Essrand - if your DAC's USB circuits utilize the power provided via the USB cable, then this post may assist

Do You Use USB for Streaming?

I've found this cable to be the best I've tried to date

If your DAC does not use the power provided via the USB cable then this approach will not provide any benefit

I've used KLEI gZero3 and gZero6 IC's on my DAC with great success - they actually allow components to work considerably better than most conventional IC's due to their design. My DAC actually runs cooler with these cables

Regards...
almarg's avatar
almarg
9,670 posts
 
I have no directly relevant experience, but it seems to me that you may gain some insight that would be helpful in formulating a course of action if you were to experimentally try a different computer; a USB 3.0 port if you are presently using a USB 2.0 port (on the different computer if necessary); a USB 2.0 port if you are presently using a USB 3.0 port (on the different computer if necessary); and different USB ports on each of the computers. And definitely also try a better USB cable.

Also, as an experimental measure, it may be worth TEMPORARILY trying a cheater plug to isolate the AC safety ground connection of either the computer or the DAC. Or both, for that matter. I'm envisioning the possibility that ground loops may be causing jitter or other issues in the DAC.

Very nice system you've got there, btw. Good luck. Regards,
-- Al
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