RCA analog to USB digital converter

I have an old friend with hundreds of Dolby B and C recorded tapes who would like to convert them to digital files via USB and a Mac. This would allow him to share them with his grandchildren and family. Does anyone know of a simple piece of hardware for him to purchase? There are vinyl/turntable to USB systems; how about a tape to USB system? I know the quality of the sound is compromised, but in this case, that is not the most important consideration.

Thanks,

H.

Hey there H - Have you looked into this http://www.ion-audio.com/tape2pc