I'm hoping some one can tell me what the difference between the DT770 and the DT770 pro models are. I don’t see anything on beyer’s site about the Pro versions, but several retailers still have them in stock. Was the Pro model simply replaced by the straight DT770 and some retailers are still...

It seems live every tube amp I do any research on there are piles of people saying that it won't work well with low impedance cans. So can anyone recommend sub $600 Tube Amps for low impedance cans. I'm specifically looking to to run 40-50 ohm cans

I'm looking for some recommendations for a rig built around a pair of closed back cans and a tube amp of some sort. I listen to about 65% jazz and 35% rock. My budget is about $750 total. right now the top of my list is the Audio-Technica ath-w1000 and Antique Soundlab MG HEAD DT OTL MKIII...

Santa was real nice to me and brought me a set of sennheiser HD280pro cans. I would have loved a nice set of grados or hd-580s or something, but I had to get closed back cans since I'm listening to them at my cubicle at work. Anyway, this is my first time ever using a nice set of cans, and while...