Hi -- The title pretty well describes what I'm asking:  I recently acquired a pair of Tesla T1 headphones to take the place of my HD650's.  I love the T1's (but then I also love the 650's).  Right now I'm running them on a Bellari HA540 amp but I would like to upgrade.   Any suggestions as...

I am new to tube rolling and am greatly enjoying the significant differences in sound that can be caused by changing tubes in an amp.     As I've been exploring variations in tubes, though, I've seen (on eBay and various other sites) some amazing variations in prices for them -- some single...

    I'm new to audiophilia and am looking for a recommendation as to what headphone amplifier(s) to consider.   I have a pair of Sennheiser HD650 headphones and an Onkyo C-S5VL SACD/CD player (the headphones and this player have completely bowled me over, by the way).  Mostly I listen...