Any oscillator used to drive a tape recorder’s capstan motor at various speeds, to effect pitch and tempo changes.
"Dear Mr. Coban: Just want to let you know that I received my order of CD’s from your company and I am very pleased and satisfied with the work that you have done. I sent you three (3) reel-to-reel tapes that were made in the late 50’s and early 60’s. The tapes were of Christmas parties and family musical selections. The quality of work ..."