I’m sure what your up too involves test tones, analyzers etc. And this is probably inconsequential, but if you want some assorted ready mixed ‘Mono’ material to run through? One of my all-time favorites is being released to DVD April 1st. (available B&N's) Paramounts’ “The Ghost and Mrs. Muir”

I believe this is a mono track, repeated stereo FL/FR. (a bit of a gripe really).