never actually plugged anything into the aux in port i had a cd walkman in the glovebox for when i wanted to listen to cds but the batterys burst through lack of use and ate the internals CD player nil Empeg one

have tryed with the mk2a and it is not as noticable the radio bleed but it has a capacitor removed from its internals by Rob S (ARSE) which is apprently uneeded as an experiment so as to weather it is this i do not know