How come there is no thread on the RealityCheck?

Tbg, the two definitions I mentioned were culled from reading the threads. I tend to favor one over the other, and I agree with you about the connection between the two. However, I have heard equipment with blackness that also eliminates some ambience and reverberation dur to HF attenuation.

Tvad, yes now that you mention it, so have I. There is no loss of highs with the RC copies, however.

There is no loss of highs with the RC copies, however.

Well, that's up for debate.

airy - Pertaining to treble which sounds light, delicate, open, and seemingly unrestricted in upper extension. A quality of reproducing systems having very smooth and very extended HF response. (Stereophile Glossary)

Tvad, not in my opinion. So what you wanted is for Jayctoy to say it has no high frequencies?