A wise man once told me, “Ignorance is bliss”.  Pausing for a moment, he then corrected himself, “Actually, ignorance was bliss”.  Never were truer words spoken with my return to Head-Fi after having been “blissful” these past three years.  Having worked through a bit of gear, which I will describe below, and a number of posts, I made peace with my equipment and tried to focus on my music.  Unfortunately, some minor, but annoying issues that seem to be related to my house’s wiring, my power amplifier and/or some noisy tubes led to a call to...