The E12 is nice but I kinda wanted a bit of color to the sound.
So I arrived at this point:
Cirrus Logic DAC-->AD8920-->Burr Brown OPA2134-->LME 49710-->49600 ->headphones
The OPA2xxx and LME 49xx are some of the most coveted op amps besides the opa627.
Now let's see how it sounds.