Perhaps my google skills are lacking but I don't see any balanced cables available for the Etymotic ER-4 range, is there a fundamental reason why this is not possible or is it just lack of demand (and possible connectors?).   -chris

Just finished stuffing the board and hooking up the IO jacks, not cased yet and is just hanging out in the panavise.  This is my first DIY audio project, I've soldered a few simple electronics kits before and I have a background in ECE (I design microprocessors for a living).     Amp has...

Hey, so are anyone elses HD 600s 'chipping' on the headband? The paint/finish on mine has started to chip and I wondering if I'm the only one. When I first got mine I put them down on the desk when not in use, but then I noticed the chipping and now I put them on a soft surface instead...