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In Reply to: RE: Ethernet to optical isolation converter questions. Help please posted by Vangelis on April 24, 2017 at 16:44:32
There is lots of info at Computer Audiophile and Roon's community pages.
And yes some people ditch the noisy power supplies for better ones.
I'm curious about how you isolated your NSA as being the noise generator.
The great thing about computer audio is that all the parts are so cheap..the bad news is that there are lots of wall warts. I think there is a lot of Jameco in my future.
Follow Ups:
The DC switching power supplies are the culprits here and my NAS has large 9 volt 10 amp one. I'm reading many people are hearing improvements from isolating noise from these power supplies that pollute both Ethernet and USB paths. I'm trying to find out the best way to accomplish this.
The problem with replacing a NAS SMPS is that they they require high current with some extra peak headroom. I don't want to under current my NAS and end up damaging it
Hi,
If you're thinking that you should get the NAS away from the audio system, those were my thoughts as well. Mine has a 12v 4a wall-wort SMPS, and I'm about ready to get a LPS from Ebay even though it's in a different room. I have replaced every SMPS near or on the audio rack with a LPS, (that I could).
Fiber
IME, this made an improvement in the SQ of the system. It was a noticeable, but not dramatic improvement, well worth the investment, considering that i may have bought a more expensive, 30+ ft CAT 7 or 8 cable. Now I have two TP-Link MC200cm's, 30ft of fiber, and 2 X 1ft CAT 7 Ethernet cables with RJ45 connectors. I didn't even bother taking the 9v SMPSs out of the box as Jameco makes wall-wort style LPSs for $12ea that work great. I had borrowed an iFI $50 SMPS for the receiver, and the Jameco didn't sound any worse.
Total investment was just over $150. I did get a "deal" on the TP-Links at Amazon for $39ea.
Feel free to get in touch via email for more details if you're so inclined.
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