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1970s Guyatone PS-104 Crossover Box Auto Wah Vintage Guitar Effects Pedal, Japan


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Up for sale, a 1970s Guyatone PS-104 Crossover Box Auto Wah effects pedal in exceptional condition and in perfect working order. Offering a simple Decay and Drive knob, this vintage analog effect has a wah effect that uniquely responds to playing dynamics. The sound is compressed and squishy, with a touch of harmonic snarl. The Decay controls how long the filter sweep is engaged, while Drive controls the threshold sensitivity, offering a range of nuanced midrange quack.

Cosmetic wear is limited to faint surface patina on the enclosure. The brown finish is quite clean overall with minty graphics, and the original knobs are intact.