Boss CE-20 Chorus Ensemble vs Keeley Seafoam+
The Boss CE-20 Chorus Ensemble and the Keeley Seafoam+ are both pedals sharing shimmer, lush. The Boss CE-20 Chorus Ensemble leans pristine and bright. The Keeley Seafoam+ leans modulated.
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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.47% — somewhat different
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Derived from overlapping tonal signals across both listings.- shimmer
- lush
Boss CE-20 Chorus Ensemble
Boss · pedal
Keeley Seafoam+
Keeley · pedal
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$293.15via Reverb
The Boss CE-20 Chorus Ensemble is a programmable digital chorus pedal drawing on Boss's classic CE-1 and SDD-320 voicings across six selectable modes. Rich mode delivers a deep, atmospheric chorus wash, Bass mode thickens low end enough to edge toward a heavy, distorted tone when paired with high gain, and Dimensional mode adds a wide stereo spread best appreciated in a stereo rig. A Brilliance control adds shimmer on top of the effected signal, and up to four user presets store different chorus tones for instant recall. Some players find its digital voicing colder and less warm than Boss's earlier analog chorus circuits, so it suits players who value a broad, programmable chorus palette and stereo width over vintage analog warmth.
The Keeley Seafoam+ is a chorus and vibrato pedal from Keeley Electronics (Edmond, Oklahoma), delivering vintage analog-style chorus and vibrato with lush, transparent modulation and a Vibrato/Chorus mode switch. The Seafoam+ provides musical chorus from subtle shimmer through deep, lush modulation for clean, ambient, and classic rock guitar at Keeley Oklahoma boutique quality.
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Genres this gear is documented as being used in.- ambient
- post punk
- acoustic
- Ambient
- Electronic
- Alternative Rock
- Classic Rock
- pristine
- bright
- full
- modulated