a 1973 catalog
Wha-Wha - Distortion - Treble-bass booster - Repeat percussion - Volume control. All these effects in one pedal. Play it for a single wha-wha or distortion effect, or in combination with other effects and you will discover a new world of exciting sounds.
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low frequency oscillator lfo-controlled foot-controlled threadle wah bass booster low frequency booster bass boost low boost bassbooster lo boost amplification amp amplifier volume/amplification treble booster high frequency booster treblebooster trebleboost high boost hi boost tremolo trem modulation modulate time-based lfo fuzz wah volume pedal fuzz-wah pedal wah volume pedal fuzz pedal wah wah pedal volume pedal distortion/fuzz/overdrive pedal fuzz eq/excite/filter pedal filter volume/amplification pedal volume loudness level distortion/fuzz/overdrive dirt grit fx pedal stompbox stomp box guitar pedal effect pedal eq/excite/filter