Indeed, if these are masters. Go for it! If not, make sure the tapes are better than anything in circulation. If not, keep the cassettes in a good box (never throw away, it's history to you) but save the trouble.
If you can have your Naks refurbised by a Nak specialist, Willy Herman in USA is a name.
No EQ, just plain transfer. 24bit 96 khz is good (some say lower is enough, but hell, space is no limit anymore)