The dynamic range available on a disc is limited mainly by the master-tape recording. To extend it, some recordings have been made directly on to the master disc as were the old 78 r.p.m. records. Mothers, stampers and pressings are then made from it in the usual way. The whole of one side of an LP must be recorded without fault in one take, a difficult undertaking for the performers. Many lacquers are scrapped before a satisfactory master is produced.
"I just want to tell you how pleased I am about the work you did for me recently. You took an old 3 inch reel with the voice of my mother-in-law who has been deceased thirty-three years and converted it to a CD. That old tape was found in our basement, stored there for twenty years. I asked you to convert it in time for Christmas, which you did. ..."