My remark was in respect of a guy stating the fulla and the HD800 was a dream combo. The HD650 are completely different headphone despite being the same brand, as are the HD700. The HD650; I can only describe them as having a set of 3 inch thick curtains between the headphone and the ear. They are simply way too veiled for my liking. Fot some music I liked them, as it tamed things down nicley, but overall, they were a no for me, as such I sold them on some 3-4 months later. This is a common found trait with them. I'm not suggesting they're bad, I also cannot stand many traits of the beyer T1 FYI, too bright, IME.
Years ago when I owned the HD650, I got frustrated as I just got get what I wanted out of them, I tried them with a benchmark DAC1, also MDAC. both highly regarded DACs and HPA in their own right. Given this (reverting back to my brief remark), how can one expect a $80 DAC and amp to give what a mid-high end and picky headphone such as the HD800 warrant.
This as ever is subjective, I have not heard the fulla with HD800, doesn't seem a logical combo for me. I have heard HD800 with the Weiss 202 DAC which costs circa $8000. Also with Meridian's prime DAC and power supply, again exceeding costs of $5000. Also briefly with a friend's Woo Audio 7, which whilst had the drive, wasn't to my taste.
If the Fulla does justice to the HD800 then i'll soon be buying that combo. But you're talking bout the HD650, I was referring to the HD800.
Apologies if I caused offence in any way.