Went to my favorite place yesterday...Salvation Army. They had an Early '80's Realistic receiver there for $5. I tried it with some speakers on the shelf and only one side worked, then realized it was one of the speakers that was bad. When I used two good speakers, all four channels worked.
4 channels. Four discrete channels. It's one of those 4 channel receivers that can use a true 4 channel input, or synthesize the sound so it appears to be 4 channels.Since I have a 4 channel sound card, this could be interesting!