I'm discovering a new world of headphones. My ATH-AD700 arrived today
This is the raw measurement data of the headphones:
And after EQ:
These are temporary notch filters while I'm planning to build a headphone amp (any recommendations?). But they're good enough I think.
The notches are here: http://gainphile.blogspot.com.au/2012/05/audio-technica-ath-ad700-correction-eq.html
Later on I will DSP or build an ASP of the filter.