Again, you have to do it in general. So not only do you have to test for one IEM, you have to do multiple. Technically, speaking, you'd have to do all IEMs - or show in some way it applies to all (this would be mathematical). The more that come out the same, the better your argument stands. Until you get all though, your argument remains a correlation, which generally isn't concrete enough. Now go add some resistance to the Heir Audio 3.Ai or 4.Ai... Tell me that's positive... You've actually said the opposite yourself... Remember, it's hard as all hell to show something true. It's much easier to provide a counterexample if one exists (3.Ai, 4.Ai, et al.).
Edited by tinyman392 - 1/3/13 at 10:22pm