Hey,   I have a pair of HE 400's that I use with an E17.  They're sending me a replacement pair because a speaker went wrong, and I'm thinking about just having them keep them, and if i can, use the replacement as credit towards the 500.   I'm thinking about trying to pair the HE-500 and...

Hello,   I recently just acquired a pair of Beyer Dynamic DT-880 600 Ohm headphones, and my next purchase will probably be a headphone amp.    I've head some people on this forum say that these headphones really should be paired with a nice tube headphone amp.   I was wondering, if I...