There are a lot of effects pedals out there shrouded in mystery – vintage units that have little public info about them, pedals only made for a short time, or reclusive builders who keep their secrets, well, secret. The HP-1 Harmonic Percolator is most definitely one of these pedals, a weird fuzzy distortion creation that creates an extremely unique sound. The effect we’re looking at today is a Harmonic Percolator Clone,...
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