Common Ground Amps

riglehart · 2006-11-23 16:28:33

I have an NAD2200, which I was told on this forum isn't common ground. So, I built an AI-1. The NAD is solid, but I'd like to go back to the plain cable. You loose something with the transformer. From what I can tell, wheather an amp is common ground or not is never published. Does anyone know if the other NAD amps 2600,…

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