Keeley Seafoam Plus Chorus/Vibrato vs MXR M234 Analog Chorus
The Keeley Seafoam Plus Chorus/Vibrato and the MXR M234 Analog Chorus are both pedals sharing lush, modulated, low gain. The Keeley Seafoam Plus Chorus/Vibrato leans pristine and smooth. The MXR M234 Analog Chorus leans warm.
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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.50% — somewhat different
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Derived from overlapping tonal signals across both listings.- lush
- modulated
- low gain
- shimmer
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.The Keeley Seafoam Chorus is a smooth, ethereal analog-voiced chorus and vibrato that uses an analog-digital design with an FET input to stay true to your core tone. Its True Chorus mode adds second and third voices with slight timing and pitch differences from the original signal, creating a more organic, three-dimensional chorus than typical units. Tone and blend controls are central to its range, letting players match darker humbucker or brighter single-coil guitars and push rate and depth for lush, trippy vibrato textures. The circuit pairs an uncommon IC with an opto-isolator LFO to deliver wide, shimmering modulation while suppressing the hum and noise common to analog choruses. It suits clean ambient, pop, and dreamy lead tones.
The MXR M234 Analog Chorus is a compact, true-analog chorus pedal producing a lush, natural, three-dimensional modulation without the harsher digital edge some chorus circuits can have. Rate and Depth controls shape the speed and intensity of the sweep, from a subtle, gentle shimmer to a deeper, more pronounced warble, while a Tone control lets players brighten or darken the effect to sit better with different amps and guitars. It suits players wanting a straightforward, warm-sounding analog chorus that thickens clean and lightly driven tones without an overly synthetic character.
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Genres this gear is documented as being used in.- Ambient
- neo soul
- ambient
- swing
- pristine
- smooth
- warm