Hey couldn't we just do this in all situations where we have a ground loop running through the audio patch cables? Easier than going out and buying a ground loop isolater!! My Mk1 (which had floating outputs - effectively the same??) didn't give me any noise problems, but my Mk2 has been terrible.
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(list 6284, Mk1 S/N 00299 4GB blue [sold]. Mk2 S/N 080000094 20GB blue)