Ron, thank you. Nicely written article outlining the key aspect of archiving master tapes. As the article says, optimising the tape transport (preferably precision guidance rather than forced guidance) and line up are crucial to extracting the very best from these valuable masters.
Well, the old tube Ampex 351 Bob Ludwig used to man for Abkco in the early 2000s remastered the Stones' early stuff pretty darn good (better than any way the same material had been reissued in the U.S. for the previous 20 years before sounded ).