I really want a Lyr, but its out of my price range at this point which is why im taking the diy approach.

Ive been wanting to build a pimeta-2 amp to compliment my (wonderful) akg k701's. I want to bring out the bass a little and give enough power to really drive these power hungry phones. All suggestions are welcome, such as which op-amps to use or even other amps besides the pimeta that would be a...

#8973, bought them for $140 from a coworker who bought them online a couple years ago.