Each listing—in alphabetical order within classes—is followed by a brief description of the product's sonic characteristics and a code indicating the Stereophile Volume and Issue in which that product's report appeared. Thus the May 2014 issue is indicated as "Vol.37 No.5."

1) Told us we had not heard it at its best, but refused to address himself to our specific criticisms;

2) Claimed that many practicing professional musicians felt the HQD to be "extremely realistic";

3) Informed us that, since he sold very few HQD systems and would soon be discontinuing them anyway because Quad had ceased making those speakers, the "sensible" thing to do would be to kill the report; and

4) Mentioned, just in passing of course, that he was currently writing a feature article for Time on the subject of "underground" audio magazines.

I favorably reviewed the Hubble in the February 2010 issue, and remember loving most everything about it—particularly its drop-dead-quiet backdrops, its solid, weighty bottom end, and its fully fleshed-out instrumental textures. I was less enthused by its somewhat soft, muted high-frequency transients, though of course tastes and associated gear will differ. I need more grit, particularly for rock; you may not.

Sennheiser takes aim at the Millenials with its newest on-ear headphone, the Urbanite, and pretty much nails it. This is a great headphone for youthful music listeners.