Originally Posted by keanex
My opinion is coming from someone who loves the Audio Technica AD series line. I started with the Ad700 and from then on I was in love with the brighter than neutral sound of the Ad900 and eventually ended up in love with the very forward and aggressive mids/highs of the Ad2000. I am someone who loves the Grado SR80i sound for the big treble and mids also.
With that said I was really disappointed with the PM-1 in beta as far as the sound was concerned. Not that it was bad, it wasn't even close to being bad, but the treble was very laid-back. The retail version, even with velour pads, has about the perfect balance of mids/highs. This is the first headphone where I've been not only satisfied with the quantity/quality of bass, but equally as so with the mids and highs. I hate to praise the heck out of these, just kidding, but these sound excellent to my ears. Damn near perfect. If I choose to let these go at some point it won't be because I don't love the sound, fit or build quality.
I still suspect a possible lack of air.
For me it's not about being bright per se, I too like brighter tonalities.
But there are open headphones that extend just fine up to 12 kHz and headphones that go up to 15khz.
People might argue that we don't hear that high (though I am pretty sure my hearing goes up to 16khz+ but I am in my 20s)
The air presence if you will, occurs between 13 - 15khz (or so I believe) so if a headphone rolls off right after 12khz, the air is not there at large.
I have no problems believing all the good stuff I've read about the PM1 but from everything I've read so far, air is not its strong suit.
I've made my choice based on impressions from testers, samplers and reviewers whose impressions I've read.
Said all that I am happy you like what you hear amigo