I build a lot of audio devices - amplifiers, effects processors etc. I've been doing it for about a year and learned a lot of principles. However one thing I still don't understand is wiring pots 1 and or 2 and 3 of a potentiometer together. How is it different from using only pins 1 and or 2 and 3?
I'm talking about this sort of thing (from here):
simulate this circuit – Schematic created using CircuitLab
Rather than this (from here):
Please ignore resistance values, just examples.