Oooh, nice! It even has one of those Not-Analog bits.
It's a shame that it's not a battery-powered portable though.
Mind you though, if it was you wouldn't be able to play the Not-Analog bit while carrying it because it would be skipping all over the place.
50Lb weight?
Definite VZ territory! The differences being, is that VZs have handles and battery compartments, and are all analog, baby!
Nice find on this JVC though!
-BoomBoxDeluxe.