I am worried about testing my M3 using my on-board PC audio output as a source. I don't really have any other sources to try it on and I haven't built a DAC yet, but I still want to test it out. I have no "crappy" headphones to test the M3 out on first before I plug in my HD595s.   I read a...

Hi, I am just getting started in the headphone DIY arena. Right now I have HD-595 which I like, but I want to some day get HD-650's.    I am looking to build a good amp to help power the current headphones and whichever ones I end up getting in the future, which would likely be the HD-650s...