this box has been torturing me since i got it off epay long, long ago. I put so much time and yet neve got it working. i finally decided decided to get it over with. I stripped it down, cleaned the hell out of it, repatched up the board that was damaged in shipping, replaced the amp chip, then put the old amp chip back (since the new one didn't change the dead left channel) and threw on some paint. and now she's working 100%. Finally. I guess the channel issue was multifold, broken traces plus bad solder on the amp chip. And it now sounds awesome and looks pretty darn good. God thats a relief.