I use USB from my MU2 to the CAD.
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I also heard from someone who suggested that if good power cables are used, it may not be necessary or better to provide additional grounding with a separate cable. Iāll try the one with the separate grounding boxes first.
Itās a bit confusing whether ground is connected or floating in a component. Many factors that must be taken into account to get a good result. Luca can remove a cable bridge from his components. My Farad Super 10LPS has a switch on the back to disconnect or connect the ground.
But what about the other components? When I ask my dealer, he is stumped. When I told him that I wanted to replace the XLR protective caps that put the signal ground on the housing because I might create an unwanted ground connection, he looked at me perplexed.
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In my case I directly contacted Innuos, MSB, Network Acoustics and PS Audio. All very responsive and professional in their answers.
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Theoretically, you could use a CAD box with two connections for a component to connect the housing and the signal ground separately. If there are two separate compartments inside the CAD box, you only use half of them.
Nope. CAD is clear on this argument: never connect ground and signal to the same GC otherwise you create a connection between them. Inside the GC1 there isnāt separation at all.
If you use just one wire, the entire GC1 job is focused on that component. It is working at 100% for that purpose.
If you connect two devices the GC1 has to work at half its potential on both.
One more thing: you can double the power of a GC1 if you connect in daisy chain another GC1 via a ground wire terminated with banana 4 mm on both ends. It seems to me overkill though. But it is doable.
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Look what youāve done!! I just ordered three of these to see what they do 
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Yup, one is not enough, and three is better. My other two will be here next week I hope.
And if you donāt hear improvement, then thereās always CAD. Its Product of the Year so it might do something 
I heard grounding cable makes a difference too, and I need one with USB connector. Welcome to the rabbit hole in āgroundā.
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My order seem to be arriving little by little. Yesterday I received a round grounding box. Since the color matches my preamplifier, I attached it to a screw on the housing. Iām still waiting for more.
The thing reminds me of a vacuum robot. Below are ceramic balls that have a spring action. The workmanship is really very nice. Does it make a difference tonally? I still have to do a comparison with the other two boxes that are still on the way.
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