Along with the Fairchild 670, the most hallowed of all studio equipment. Apparently, if you have an original one of these a holy presence descends upon your board.
The Joys of Analog Tape:
Calibrate it every day. Keep the tapes in a controlled environment. Push the signal so you get less noise, but not so hard that it distorts. Clean the heads and capstan. Be careful you don’t stretch the tape rewinding. Keep a log of how many punch-ins and re-records you have done. Test the motor and transports.