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Look up onFulltone Full-Drive 2 MOSFET in the classic metallic blue, hand-built in California. Serial #31141 with the original matching-serial box, manual, brand sticker.Channel one runs from transparent low-gain up through classic screamer territory and the foot switchable boost channel adds a second gain stage with its own drive control for singing lead sustain. True bypass, runs on 9-18V DC.Fully functional: pots quiet, switches positive, both channels and all toggle modes tested.Condition notes: light scratches on the front panel (visible in photos, most apparent across the centre), velcro strips on the base, and light wear to the foot switch plating. Box shows storage age with some foxing. Plays and sounds exactly as it should.

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