[sdiy] Update on my arpeggiator

[Rainer Buchty]

> And if you take what you call a spiral wave and increase its frequency to a
> MHz, then what comes out of the speakers?  Same wave, but no more auditory
> properties to characterize it. :-)

I like the idea of an oszillator ranging from Hz to >>THz... So first 
you get audible result, later on you can see through people's clothes, then 
it gets warm, light appears, you can see through people -- and 
finally the speaker kills you with radiation :)

Rainer