Sony KP-5020PSE
(1980 - 1984)

Home-Cinema didn't begin with the advent of Dolby Pro-Logic and the mid-1990s turnaround of the audio market toward blockbusters' bombastic sound-tracks.
Sony launched its original consumer system (VPK-1200, 1974) which gave way to the "Skyvision" (1978, for All Nippon Airways) and shortly thereafter to the KP-5020PSE Videoscope.

However, Home-Cinema in the 1970s was for the filthy rich only as a tri-tube videoprojector did cost a not-so-small fortune. Given the way it was built, it is no wonder: real wood veneer, smoked glass top plate for the tea service and... three monochrome glass tubes! You'd have to have a large loft with select decoration and, no doubt, rather select friends to invite over, too - far from "Terminator", isn't it?
However, the five lofty people gathered above seem to thoroughly enjoy watching a completely blank screen. We're finally not that far from Terminator in the end ;-)