Based on the Harmonic Percolator. Very unique fuzz tones on tap. Available in two versions, Albini specs (which is more well behaved) and stock (which is much more aggressive and splattery). Hand selected silicon/germanium transistor pair. Diode switch selects between two clipping diode options, stock and modern. Runs on a standard 2.1mm boss style 9v power adapter. Current draw ~1mA. $150CAD shipped.
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