music hall phono pak input amperage?


I have lost the wall wart for my music hall phono preamp "mmf-phono pack" For input, it says 16V AC, but no spec for amperage. What amperage would work? thanks, ben

p.s. I know nothing about electricity!
Convert?fit=crop&h=128&policy=eyjlehbpcnkioje1mdg2ndk0ndusimnhbgwiolsicmvhzcisimnvbnzlcnqixx0%3d&rotate=exif&signature=12769b6ee5d75a983eb244dfea919bc43338f99142a28daa8edd98a08d8a4115&w=128balthus