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In Reply to: RE: About usb to spdif converters posted by beppe61 on May 12, 2015 at 22:48:32
Relatively inexpensive but high quality.
Just my 10 cents!
Follow Ups:
Hi thanks a lot for the kind advice.
Actually i am using just that ... i was just too embarassed to say.
Seriously, do you think it is a good piece ?
I have been a little let down when i discovered that it does not provide power isolation from the pc , a must for any usb dac/converter, i think.
This is a little trivial design flaw. They could have easily found somewhere inside a +5VDC line i guess.
But i am waiting for an usb isolator, that should not work with high rez streams but ok with redbook that is what i use normally.
Another thing that i do not like is the absence of a mains filter before the toroidal.
Toroidals are notorious to let through all the garbage from the mains (i.e. RF/HF noise, so harmful for digital units sound) at the point that i wonder why they are so common in digital units.
However do you use it standalone or with a usb power supply ?
With which PC/OS ? which cables ?
I could change my mind on the device.
I am sure that usb to spdif conversion is key to good sound.
And i trust very much AES/EBU digital connection that the U12 sports and also my dac.
I am using a Canare cable that i find very very good and cheap.
I am even tempted to use it for analog balanced connections because i read some advice from Belden tech department. And from respected mastering engineers also.
Obviously ANY advice about how to get the most out of the Gustard would be much appreciated and welcome.
Thanks a lot.
Kind regards,
bg
Edits: 05/16/15 05/16/15 05/16/15 05/16/15 05/16/15 05/16/15
Im using a split usb cable and a separate 5v supply into the Gustard and antivibration pods from ebay.
Seems sensitive to usb cables so a better cable helps.There is a very long thread over at Head-fi about Gustard:
http://www.head-fi.org/t/736294/gustard-u12-usb-interface-8-core-xmos-chip/1530
Good luck!
Edits: 05/17/15
Hi and thanks a lot for the valuable adviceMay i ask you which split cable are you using ?
The usb port on the Gustard uses the power from the pc (not nice)
I understand that also data lines can carry noise ... but their isolation is more complicated i guess.
Another thing that i do not like is the absence of a RF filter on the mains. Best units have some sort of filter.
However a very interesting unit also considering its price that with some more attention could have been even better.
I just hope that they will stop using toroids in digital equipments.
Thanks again.
Kind regards,
bg
Edits: 05/18/15
My system is listed here:
http://cgi.audioasylum.com/systems/8490.html
Hi and yes i read that. I did not know Paul Pang cables.
I found now the web site in the link. Great products.
So isolation is important and the stock U12 benefit from some special accessories.
Thanks a lot again.
Kind regards,
bg
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