Some stereo pianos collapse to mono better than others. If the sound you hear using just the right output doesn’t appeal to you, try to find the stereo piano sound that works best in mono. It really ...

These can be found in the form of an adapter plug, or a "Y" cable. The opposite (mono male to stereo female) is far more common, but for what we're talking about it's not what we're looking for.

It comes in black, gray, blue or red and they'll throw in a stereo-to-mono summing adapter for another $21. To be unappetizingly clear, these are fit for purpose but whatever Logitech sells at the ...

For example, we currently have a cable with a male stereo 1/8" plug with red and white female RCA jacks on the other end. To this we've connected a Y-splitter that changes RCA stereo to RCA mono.

With the presence of stereo audio, there will be an L–R signal voltage appearing between common/ground and the summing point of R1 & R2. This signal will trigger transistors Q1 & Q2 to immediately ...