thank you for the suggestion!  I'll download that now =)  

Okay! I hooked up my floor speakers finally (just moved so all I could test with before were the new headphones, as my 7506's are broken at the moment) and noticed that same static at the end of the 1st sweep test.   Thought to myself "great, it's probably the MX1 that's messed up".. but...

Hello!  This is my first post here at Head-Fi, although I have been following some threads here for quite a while now..   Gonna be brief because I'm having to re-type this whole thing (grrrr)   Got some new headphones, first pair over $100.  Ultrasone PRO-750's.  Previous best were Sony...