"I just finished creating a John Simonton "Wind" using the manual found at PAIATalk. The circuit is so simple, it's best built on perfboard. It's a nice short weekend project. Really cheap too! No chips, just transistors and diodes for semiconductors.
I've mounted it in my homebrew FracRac cabinet with it's sister (brother?) product, the PAIA Surf Synthesizer. This was my very first Synth DIY project built the summer of 1977. This is about my 3rd restoration of it.
The surf synth has the mods suggested in a reader letter from 1972 with the exception of not reversing the filter diode D1. That just leaves the silly thing wide open with no control.
Both units use panel mounted pots instead of trim pots and have a volume pot for mixing.
the audio sample I recorded uses both units set to the extreme.....so it's like a wind storm at the beach. You can obviously dial everything back so it could be a pleasant day at the beach, but that's just not as fun!"
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