I just replaced my Alpha Dog headphones with a pair of Aeon Flow Closed and am quite happy, but I have a question and some experience to share.
I use the AFCs in my work setup, which consists of a Schiit Lyr 3 w/ a Ken-Rad 6SN7GT VT-231, an Uptone Regen (plugged directly into the back of the Lyr 3 w/ a very short adapter), and a short Audioquest Carbon USB cable plugged into a Jitterbug on the PC side.
First, I'm a big believer in EQ, and I've found that the AFC benefits from it quite a bit. Generally, my approach is to find a good frequency response chart for the headphone and start from that. Then I'll listen a bit and begin tweaking it (for my ears...keep in mind everyone's ears are different, which is one of the reasons for EQ in the first place). I use J River Media Center w/ Parametric EQ (it is MUCH better than the standard Equalizer, btw). PM me and I can give you my Parametric EQ settings (yours will almost certainly be different since your ears are different than mine, but it might be a good starting point). JRMC has easy-to-use checkboxes for each effect, so it's easy to blind A/B your DSP settings with mouse clicks and closed eyes (for each frequency setting, or for the entire Parametric EQ setup).
Now the question: my AFCs came with the standard 5' cable, and I really don't like it (due to noise generated by the sleeve every time I move, and the cable is a bit short for my situation). Can someone recommend a replacement cable, around 10', that isn't ridiculously expensive (i.e. the cost of the AFCs or more)? I'm going to put an upper limit of $250 or so on the cost of the cable. Thanks for any suggestions!