This may be a stupid question...but is there anyway to turn an analog (1/8 ") input into an optical stream without buying a +$300 preamp. I run cardiod mics --> sound professionals 9v preamp --> JB3 and I'm really not interested in getting a UA-5, etc. at this point. This may be better suited to the A/D threads but I just thought there was an off-chance that some beefy cable with some sort of embedded A/D processor might do it...