michaelhigh-"to see if I can simulate quad"

you may be able to accomplish this with qs/sq and with more modern processors using dolby pro logic or DPLII which are derived from what i use-dynaquad.

see if you can find a used Quadaptor like:

DYNACO DYNAQUAD PASSIVE 4 CHANNEL ADAPTOR | eBay

VINTAGE DYNACO QD-1 QUADAPTOR DYNAQUAD SURROUND-SOUND | eBay

Vintage Dynaco QD-1 Quadaptor Dynaquad System | eBay

what dynaquad does is extract the reflected and reverberated sound from the stereo signal and put it in the rear, where it BELONGS. adjust it so you barely hear rear output in a conventional stereo recording. then put on a LIVE cut and you will understand why i use it on ALL of my formats even though i have enough of the proper equipment to do proper 5.1 surround.