Pigtronix Resotron Envelope Filter

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Pigtronix Oscillate Resotron Tracking Filter Pigtronix Resotron is an analog filter that brings the sound of 70s keyboard synthesizers to the world of envelope pedals for guitar, bass and beyond. The filter at the heart of the Resotron is based on the SSM2040 chip found in the legendary Prophet 5 and Octave CAT synthesizers. This 24db/octave, state-variable filter provides the full gamut of familiar envelope filter sounds with UP and DOWN sweeping modes, and a sensitivity control to dial in the response of the effect based on how hard you play. In addition to these vintage-correct filter tones, the Resotron pushes the envelope pedal concept to a whole new level by using an analog pitch-tracking system to move the cutoff frequency of the filter up and down. The pitch-following filter effect found in the Resotron moves around based on the notes you play instead of how hard you play. The attack time and rate of filter motion can be adjustedusing the GLIDE knobto dial in how long it takes for the cutoff to travel between pitches. The pitch-following effect found in the Resotron is analogous to the key-follow function found on the original Minimoog and many other classic analog keyboards, says Pigtronix president David Koltai. Using our all-analog pitch-tracking circuit to control cutoff frequency, the Resotron delivers mind-blowing filter motion for guitar players. Ive dreamt of making this pedal for years, and its finally here. The Resotron has the ability to operate in Low Pass, Band Pass or High Pass modes. Each of these filter voices has a distinctive character