Yes, banana plugs.Not sure what you mean. Looks like a standard speaker jack probably for left and right channels.
Looks like an existing light switch modification with coaxial cable terminals went through? lolNot sure what you mean. Looks like a standard speaker jack probably for left and right channels.
I think that is true on both sides of the plate.They do accept banana plugs, but the knurled sleeves unscrew to expose through-holes for wires, then snug down for a secure connection, kinda like speaker terminals on most modern audio equipment.
It is.I think that is true on both sides of the plate.
Good chance those are outputs...Thanks for all the inputs!
I almost said that earlier.Good chance those are outputs...
I'll bet they are inputs with single pairs of outputs at the speaker locations.Good chance those are outputs...