This Pedal is currently available.
Limited Edition 70's Fuzz
A Fuzz pedal with the circuit based a 1970's fuzz unit, it delivers a psychedelic silicon saturation, great for Woodstock-type sounds or for sludgy, stoner riffs. It has three controls; output, tone and fuzz, and uses a 9V power supply.
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These merchants probably sell this module. Huh?
MXR MXR Brown Acid Fuzz - 2nd Hand