I started out with the comply tips on my UM2s and had problems getting a good seal. Also, besides the normal separation I noticed that the bass was primarily in my right ear. So I tried the yellow foamies and now I have more bass but it's still stronger in my right ear. I've ordered the large...

I was listening to some old CCR today and the separation was driving me batty. I got thinking about it and I understand the chain of separation from studio to master to source to amp. What I don't understand is why certain headphones have differing degrees of separation. What are the...

I've been comparing headphones using music I'm very familiar with but I'm having some trouble separating out the frequency ranges in some of the tracks. I'd like to try a slightly more "scientific" approach: A/B test using specific test tones. Can anyone recommend a site with test tones that I...