Thanks! I've been pondering the building of my own sustainer for a while now, ever since i started reading this thread extensively. To be honest the only thing that's mocking me at this point is the Fetzer-ruby, as I have, despite having built several working effects pedal, had alot of trouble with building 386-based amps. I've attempted both a Ruby and a Little Gem, both have been failures, and I'm not entirely sure why. I suppose they could have been flukes, or whatever, but I don't think that all 5 of my 386 chips are bad . . . Perhaps it's my perfing skills. . . i may order a premade PCB if i get desperate.
Anyway, on the subject of the EMGs - are you saying that with the lack of loading the active pups experience, I wouldn't ned the pre/power amp circuit at all? I will end up putting one in anyway (as I will complete the sustainer project before i have the cash to blow on an EMG, and need to run the sustainer off my current passive pups), but I think it would be interesting to experiment a little.
Thanks!