November 2007
Intermediate to advanced
736 pages
46h 32m
English
When the master tape is played, its magnetic patterns are converted into electrical signals. These are fed through amplifiers to a cutter head on a lathe which converts these signals into mechanical motion and causes a cutting stylus to move as dictated by the signals on the tape. Thus, an incredibly complex groove is inscribed into a master disc. Moulds are then made from which the records are stamped.
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