Discussion about the Korg PolySix synthesizer

that is a signal there is something wrong with the psu. maybe not from 
the dac, but one of the many things in your signal path. I would worry 
if the orientation of the prong changed your sound... psu's should be 
isolated from the mains.

On 06-04-18 00:03, josh.nursing@gmail.com [PolySix] wrote:
> Ha, just stumbled upon this again while looking for posts on reducing noise.
> 
> It's a simple thing to just plug the two-prong jack the other way by 
> flipping it 180 degrees - doesn't matter if it is soldered or not at the 
> Polysix side, of course.
> 
> Actually, I did this for my DAC's PSU that I built myself, and one of 
> the two ways provides mch better sound. The orientation probably shows 
> differing levels of leakage currents.
> 
> You can do that for any audio equipment with two prongs, provided the 
> two prongs are both small enough in Northern America as one slit is 
> smaller - at least that's how it is in Canada.
> 
> 

-- 
Met vriendelijke Groet,

Simon Claessen
drukknop.nl