Resotron

The Resotron generates synthesizer-style envelope filter sounds through resonant filtering. The lowpass filter sweeps in response to playing dynamics. Resonance adds the squelchy peak that defines classic synth filters.

Multiple modes change how the envelope responds to input. Some modes favor funky quack while others suit bass-heavy textures. Sensitivity adjustment matches the filter response to different pickups and playing styles.

Pigtronix built the Resotron for players wanting synth-like filter sounds. The resonant character delivers tones beyond typical auto-wah territory.