Well, finished mine today, however, doesn't work as I had hoped, wishful thinking? Plugged everything in, a $10 Sansa MP3 player as source, and stock earbuds. Soon as I turn on the amp, the Sansa makes a loud cracking noise, the screen flickers black, the entire device turns off, and refuses to turn on, and one of the amp's tubes lights up. Despite the bricked Sansa, I left the amp on for a few minutes to make sure nothing's overheating, and noticed how the tube's got too hot to touch for longer than one second, within 2-3 minutes, normal? The tube was also much brighter than I was expecting, I could see the light being emitted from it as a circle on the ceiling. Any idea's towards the now-dead Sansa? I'm afraid to plug in any other source before I have the problem figured out.