Hey everyone, I'm having some D10 problems (as the title denotes), and they're incredibly mystifying, if I do say so myself. I've recently swapped out some Opamps and buffers (only the ones that came with the D10) - and now none of them seem to be functioning. I've since replaced all of them back to their originals (2x AD 739's, AD8656) and there's just nothing. No sound, no crackle; just a 'pop' when I turn the knob. The power light doesn't even turn on anymore. Anyone have any ideas?