The elusive Harmonic Percolator. Part distortion, part fuzz, all legend and pure myth, the original from Interfax has been a source of discussion to collectors and aficionados for years. We have had the opportunity to check out a few different copy versions here at Pedal of the Day, each is its own beast, with no two being alike, and none being a precise recreation of the original, either. Until, perhaps, today.
The controls on the HP-2 are fairly straightforward, despite being labeled with symbols instead of actual words. The left control knob (Circle) adjusts the signal input, while the right knob (Triangle) sets your overall output. There’s one switch to go along with these two, and it gives you two modal options to choose from. The first is the stock setting for the original circuit; the second is “Doom” mode, which gives you higher output and a fatter, more modern type of tone.
The tonal flavorings produced by the HP-2 range from crunchy and overdriven to smooth and distorted to balls-out nuts to raging fuzz and more, making it an extremely versatile machine despite the simple controls. The silicon and germanium transistors give off rich layers of sound that add presence and power to any rig or setup. You can easily get tube screamer, Marshall stack, doom-y metal and fuzz-laden sounds without having to do much adjusting, and the experimentation here is the funnest part. Cheers to the Land Devices crew for a job well done – we can’t wait to see what they come up with next! Be sure to check out our demo below, then head to their website to grab one of these military-looking beauts for yourself!
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