One other little factoid about that photo:

With the exception of the two 996s, one of the DSP-559s and the AT-100 which all worked "out of the box", everything else in the lineup has required repair or restoration upon hitting the doorstep...and I managed to save a metric shit-ton of money by doing this instead of buying so-called "collector condition" pieces. As long as the front panels are in fine shape I can fix the rest.

ETA:

Yikes! So, it's safe to say that it's not only your desire to be able to listen to anything, but to listen to it all at the same time?
Well...I keep telling 'em that I've got enough receivers to cover the 313 action without breaking a sweat. :rofl: