I have another dumb question. I have a Denon AVR-788 receiver. Do I need a headphone amp? Is the headphone output on the receiver amped well? I tried listening through it and it just didn't sound spectacular to me. That's why I'm inquiring about headphone amps.

Great, thanks!

This is my first post here. I've been reading for through the threads for a couple of weeks. I bought my first pair of decent headphones last month, the HD598 for $173 on sale. I just had to send them back to Amazon for a replacement because somehow I managed to blow the left side.   I was...