Okay, so I am very let down at the moment. About two weeks ago I purchased a new pair of Grado SR325is headphones (with the brushed silver finish) and after letting them burn-in overnight everyday for two weeks, I still think they sound not half as good as my sub $100 Sennheiser 280 Pro's that I bought a few years back! I paid $400 CAD for the Grado's and I expected them to sound MUCH better!
The problem is that I find the Grado's to not be detailed at all. There is absolutely no bass and they lack the airy, wavy soundstage that the Senns have. Vocals are loud, but not crisp and clear; there's definately more graininess and tinnyness to the Grado's then the Senns, and I hear more instruments in the 280 Pro's.
Just to clear up any confusion, the audio files I am playing are at least 320kbps MP# and in many cases FLAC or CD's playing through my Asus Xonar D2X sound card in Foobar with ASIO direct output. I have compared them straight out of the sound card's output as well as with a JDS Labs Cmoy headphones amp as well as a headphone amp that I designed myself using a TPA6120A2 current based op-amp buffered by OPA2227 Burr Brown op-amps. They are being properly driven.
I guess my question is, does anyone know what headphones have a similar sound to the Sennheiser 280 Pro's only better (clearer etc)? I was thinking of getting the Sennheiser HD-598 headphones, but I hear they are more similar to the Grado's than other Senns? I want to feel like I am listening to the music live in concert, not through a tinny 1950's AM radio (which is what the Grado's sound like to me).