Slinky as sound generator/mock-reverb apparatus

I obtained a Slinky over the weekend and decided to test it out as a sound generator by clamping a piezo transducer at one end and tapping my fingers at the other end as an impulse.  As you can see in the video it’s a pretty interesting result.

I also experimented with sending various signals through the Slinky using another piezo transducer clamped to the top, operating a bit like a crude spring reverb unit.  The impulses – square and sawtooth waves; recordings of voices and instruments all sounded quite reverberant with (in given cases) slight instances of frequency modulation.  (not included in the video)

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