Reverb spring inside roasting dish resonator

The second Piezo is fitted to under side of neck, and the small spring is then atached via a screw to feed the vibrations to the second piezo on the spring plate...and hey presto a v.low cost built in reverb unit....and it works!2 x piezos from maplins £1.49 each, 1/4" jack socket, spring,spring plate, block of wood and some screws and washers, and twisted cable (twist or you'll get interferance)also foam makes for a better sound on a piezo.also you can add a couple of carrier bags as this can enrichen the sound, if you are not using the reverb.(see roses tin guitar videos, one with one without bags to compare)
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