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Gamma-2 (γ2) DAC Thread - Page 144

post #2146 of 2147

I'm using a desktop. My amp is a Schiit Valhalla 2, which I'm pretty sure is AC.

 

Do you recommend using an RCA ground loop isolator? 

 

http://www.amazon.com/PAC-SNI-1-Noise-Isolator/dp/B000K50HJE/ref=sr_1_2?ie=UTF8&qid=1435522793&sr=8-2&keywords=pac+ground+loop+isolator

post #2147 of 2147
Such ground loop isolators typically contain a cheap transformer that will affect sound quality.

It would appear that the Schiit amp does not have a ground loop breaker inside (i.e., its signal ground is connected directly to its AC ground). If it was a DIY amp then I would recommend a modification, but such mods would surely void Schiit's warranty.

One solution is to always use S/PDIF (coax or optical), as these are both galvanically isolated on the γ2.
Another possible solution is a USB isolator.
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