"gndloops"

[Martin Czech]

> But some day you might want to connect your synth to an amp, mixing
> console, etc. won't you? ;-)
> 

Right. In this case : balanced, as I said. Full stop.

> You mean Protective Earth (PE) with power-gnd? I would not connect this
> directly to signal ground. There should be *one* connection between the
> two in the whole system. If you have another device (amplifier, mixer,

Yes, as I suggested in the STAR Point.

m.c.