Other quad reels on Project 3 that I have seen have all been discrete quad, meaning all program content on one side using all four channels, so no need/no reason to turn the tape over to hear Side B. But this one seems to show a "two sided" tape. Is it encoded quad rather than discrete, so you have to run it through a decoder to get the quad effect? QS, SQ, or EV?
http://www.ebay.com/itm/Nashville-Now-Nashville-Jets-Quad-Quadraphonic-Reel-To-Reel-Tape-/253002344168?hash=item3ae81d66e8:g:qaoAAOSwFqNZSXSg
(BTW, the idea of loading a reel tape with quad-encoded stereo isn't so far fetched. In a different thread, I posited that Angel and CBS classical titles that were released in Quad only on disc most likely had quad encoding in their reel editions. Several folks agreed, although I don't have any specific proof to offer.)
http://www.ebay.com/itm/Nashville-Now-Nashville-Jets-Quad-Quadraphonic-Reel-To-Reel-Tape-/253002344168?hash=item3ae81d66e8:g:qaoAAOSwFqNZSXSg
(BTW, the idea of loading a reel tape with quad-encoded stereo isn't so far fetched. In a different thread, I posited that Angel and CBS classical titles that were released in Quad only on disc most likely had quad encoding in their reel editions. Several folks agreed, although I don't have any specific proof to offer.)