Electro-Harmonix Pico Swello vs Pigtronix Resotron Analog Tracking Filter
The Electro-Harmonix Pico Swello and the Pigtronix Resotron Analog Tracking Filter are both pedals sharing smooth. The Electro-Harmonix Pico Swello leans ambient and dynamic. The Pigtronix Resotron Analog Tracking Filter leans compressed and fuzzy. Current prices: $144.94 vs $349.
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Blended from circuit-archetype lineage, dynamic feel, tone-signal overlap and tone-vector distance — the tone vector itself is derived from editorial description text, not a measured acoustic signal, so this reflects how similarly the catalog copy describes the two, not a lab measurement. Shown only within a gear class, and only where there's enough evidence to be meaningful.49% — somewhat different
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Derived from overlapping tonal signals across both listings.- smooth
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$144.94via Reverb
$349via Reverb
The Electro-Harmonix Pico Swello is a compact auto swell pedal that slows the volume envelope of your playing to create smooth volume swells, working polyphonically so chords as well as single notes swell fully. Beyond classic violin like swells, it can generate envelope filter and wah like textures, big synth style pads, and even act like a compressor to soften picking irregularities. With simple controls in a tiny enclosure, it delivers expressive, ambient swell effects effortlessly. It suits ambient, post rock, cinematic and pedal steel style players who want hands free polyphonic volume swells, pad textures and attack smoothing in a space saving pedal without manually working a volume pedal.
The Pigtronix Resotron is an all-analog tracking multimode filter that brings vintage 1970s synthesizer character to envelope-filter territory for guitar, bass, and keyboard. Its 24dB-per-octave filter is based on the SSM2040 chip found in some classic synths, offering traditional up and down envelope-filter modes plus a unique pitch-following mode where the filter adjusts to the actual notes played rather than just pick attack, like an old-school analog synth. It covers subtle auto-wah variations for funk riffing, reggae rhythms, and Jerry Garcia-style leads, and can also coax phaser- and flanger-like tones. Onboard compression keeps things punchy without affecting sensitivity, and an expression jack allows foot control of the cutoff for conventional wah use. It also turns overdrive and distortion into creamy, near-fuzz tones.
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Genres this gear is documented as being used in.- Shoegaze
- Post-Rock
- Ambient
- Reggae
- Experimental
- Funk
- ambient
- dynamic
- compressed
- fuzzy
- octave
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Busking
- Live