I'm the owner of the Aragon 4004 MK II with current pictures and actaully if I remember there are two transformers, stacked. As I look close at the photos I took I'm even more sure of it. I too have owned an Adcom 555 and do prefer the Aragon sound to the Adcom. Just an opinion. My favorite is my Bel Canto EVO 4, thus the Aragon sale. BTW the Adcom sold for $350.00 and all the 4004's on AudiogoN are at $750.00. I'm not sure where it'll finally sell at but I'll keep it for a hood ornament before I go down to Adcom prices.
