Before there were actual surround sound systems you had a lot of audio engineers experimenting with wacky speaker concepts like the Allied/ Radio Shack Nova Omni speakers that Bubba is sitting by.
These are omni directional speakers where the speaker cone is pointed upward inside of the enclosure, sending the sound out all around the speaker enclosure instead of outward in a single direction as we commonly see speakers.
These Nova Omni speakers were only produced by Allied Audio (who had be purchased by Radio Shack) for a VERY short period of time. I found ONE listing for them on all the interwebz, in a scan of a 1972 Radio Shack catalog. You can see them on page 31 http://www.radioshackcatalogs.com/catalogs/1972-a/
Check out the cool iron grill plate for the top speaker. I'm sure to make some audiophiles day when I list these.