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Posts by kramer5150

A HF-er found the 518 driver to be identical to the 558 and 598.  Its the same "93481B" used in all 3 of these cans.   http://www.head-fi.org/t/609634/hd-518-teardown-with-a-shocking-twist   Heres the 93481B from the HD518       And heres the same 93481B shown in the 558, 598     I think it might be the HD515 that has a different driver than the rest... let others confirm this though.
By that you mean cold, analytical... sterile sounding?  I'm thinking about getting one some time, for those times when I need isolation.
Art has their headTap, which is a speaker to headphone junction.  I am not sure whether or not the speakers have to be connected. http://www.amazon.com/ART-operationConnects-amplifierVolume-regulates-headphone/dp/B0002E585Q   Heres a www page with a DIY solution... http://robrobinette.com/RobinetteBox.htm
No first hand experience, but the Fischer FA-003 based on that monster impressions thread could be a good match.   http://www.head-fi.org/t/491632/review-fischer-audio-fa-003-a-neutral-champ
Yep... love mine.  I have "technically" better watches and more expensive watches yet these Seikos see a lot of use.        
x2... the HARX900 is a seriously intense looking $55 headphone.
I heard a SR-207 (SRS2170) rig at a meet once and thought it really excelled in its clean dynamics, smooth frequency response and overall clarity... very "transparent" sounding.  It was a brief first impression listen however.  So I don't know how long that would hold up over longer term ownership.  I generally prefer more colored presentations... but from a pure sonic technical ability level the entry level Stax rig was very...
Harmonic distortion can mean MANY different things depending on the device being measured and how its being measured.  In a solid state amplification stage it can be clipping, in a tube circuit even order harmonics show themselves as a deviation from a "pure" AC sine wave.  In a headphone... I think its also more a deviation from a "pure" perfect AC sine wave, and I think thats what the headroom graphs attempt to illustrate.  As I said before, I do not know what headphone...
I normally prefer a colored presentation, of the cans in my profile the K701 is my most flat/accurate headphone and its about as flat as I care to get.  Solo piano however I think sounds best with headphones that measure flat.  If it were me, in those price brackets I'd be looking at a Stax electrostat rig.  One thing about solo piano though is its a very limited band-width instrument.  I forget what its actual frequency range is, but its WELL short of the limits of...
Cool thing about at least my local libraries is a LOT of the CD contents are donated / unwanted relics of the past so MUCH of the selections are "more original" releases and not remastered victims of the loudness war.
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