I have made a tweak to a speaker. I will be running tests with REW to compare the tweaked speaker with its untweaked sibling. Hopefully the graphs will be useful in showing what the tweaks did.
However I would like to do listening tests using a stereo signal input. I will place the speakers, one at a time in the center of the room M/L and listen for changes. What I would like to do is to "sum" two stereo channels into a single channel. Can this be done with a "Y" cable, or do I need any electronics?
