Gotcha, and thanks for the explanation. I swear I must have a learning disability when it comes to diagrams like that.
I did get it apart tho, and there's no solder. Looks very straightforward. Just don't mix the polarity. Piece of cake.
Now I'm looking for speaker cable and found what I need cheap, but I can't confirm if it's copper! Do you see "copper" anywhere in this description?? Monoprice has 50' spools of 12g but cost a lot more. I only need 25', and that's allowing plenty of wiggle room.