The power supply transformer, the one on the far right of the Zephyr pic above, is not in the oracle. There's an equivalent transformer in the "wall wart" power supply, as well there's one inside the PSU if you go the Cioks ect. route. This has to be the reason for the size reduction. There's a benefit of doing it both ways, if you have the room I'd say keep it mains powered, but this little guy will fit perfectly on a board as is.
There still will be a transformer for the DI balanced line, the power supply for the tube had to be changed to do this though
There still will be a transformer for the DI balanced line, the power supply for the tube had to be changed to do this though
