What headphones do you have in your collection and why?

[ValentineLuke]

This looks promising.

Hagerman Audio Labs "Tuba" Parafeed Headphone Amp - Review

I was recently contacted by Jim Hagerman from Hagerman Audio Labs in Honolulu, Hawaii and Jim asked me if I would like to try his new TUBA headphone amplifier. How could I refuse! Well being an old tube guy remembering my electricity (yes electricity) class and labs where we had to draw load lines and build vacuum tube circuits I have a fond love for all things with vacuum tubes. So at first I checked in with the admins to make sure it was ok to do a review or what I like to call an “experienc…