During the work week, I'd say I spend about 20-30 hours listening to a combination of The Beatles and Pink Floyd when I work. It's become music I've gotten used to and love. Currently, I have ATH-ESW9's and a modded (discrete OPAMPS) ZERO headphone amp talked about here so much. I'd...

I recently picked up a SL-1200MK2 for super cheap ($20 ... the guy was leaving the country in a few hours and had to get rid of it). However, after getting it home, cleaning it up, and hooking it up, it has a really bad hum. My first thought was grounding. I opened it up, checked the...