I was reading through the Reaktor application manual which is greatly improved in recent times, and came across this structure to pan voices in the stereo field:

Not bad, but you’ll notice the first voice isn’t panned to zero (hard left). Here’s how to make the spread go from zero to one:

And here is a download of a simple synth which uses the pan macro with four voices.

I happened to notice the Reaktor tutorial synth I’ve used in my example is thirteen years old! That goes back to the days when it was called Generator.