Quote:
Originally Posted by essjay
The quad rate USB module in my DAC is properly isolated so it does not carry noise over from my macbook. When I was running a lower end DAC (M51), it needed an external SPDIF converter to clean up the signal as well as reclock to remove noise.
I was using a Jkenny MK3 spdif converter for that purpose with excellent results. Without that converter the m51 sounded a bit brittle to my ears.
When I finally got my hands on an MSB DAC I tried it with the Jkenny and it added nothing, unlike the M51. In fact I preferred it without the Jkenny in the chain. At this point I did look into why and learned about the need for usb inputs to be properly isolated along the way as well as how important it is to have it for a good clean (noise free) digital signal from a computer due to the computers inherent noise.
The CA forum documents this stuff really well if you want to learn more. Hope this helps.
Regards
essjay
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Thank you essjay, it’s very helpful. I am not familiar with CA forum but eager to learn. Can you please direct me to those documents?