a 1990 DOD brochure
The FX17 can do triple duty as a Wah-Wah pedal, or a volume pedal or a 0 to +5 volt controller pedal. This wah/volume pedal is solid. It'll stand up under heavy use, performance after performance after performance.
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gate s-trigger trigger voltage-controlled foot-controlled threadle wah filter eq/excite/filter stompbox eq/excite/filter pedal wah wah wha-wha wau-wau fx pedal stomp box guitar pedal effect pedal