Mu-Tron Octave Divider vs Electro-Harmonix Slammi Plus

The Mu-Tron Octave Divider and the Electro-Harmonix Slammi Plus are both pedals. The Mu-Tron Octave Divider leans modulated. The Electro-Harmonix Slammi Plus leans octave. Current prices: $700 vs $126.

Similarity
citedBlended 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

Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
17%
0%
Price

$700via Reverb

$126via Reverb

Description

The Mu-Tron Octave Divider is a vintage analog octave effect that generates a lower octave through waveform modulation rather than digital pitch tracking, producing a warm, fat, slightly synth-like tone distinct from the crisper, more precisely tuned character of modern digital octave pedals. It is strictly monophonic and tracks best with clean, careful picking and string muting, since overlapping notes confuse the tracking. It was used by Jerry Garcia and Neil Young on guitar and Bootsy Collins on bass, prized for its thick, synth-bass-like low octave. It suits funk, psychedelic, and experimental players wanting a distinctive, vintage analog octave-down texture rather than a clean, modern pitch shift.

The Electro-Harmonix Slammi Plus is a polyphonic pitch shifter and harmony pedal combining glitch-free pitch shifting over a plus or minus three-octave range with a built-in treadle for expressive whammy-style sweeps. An 11-position Shift switch selects the interval, from Detune for chorus and doubling through minor and major seconds, thirds, fourths, fifths, sixths, and one, two, or three octaves. A Dual Mode outputs two pitch-shifted intervals at once for harmonies, and an X-Fade function fixes the interval and crossfades between dry and shifted notes or between two shifted intervals. Tracking is fast and glitch-free even on chords, making it work for guitar, bass, and synth. It functions as a Pitch Fork and expression pedal in one and is often compared favorably to the DigiTech Whammy.

Genres
citedGenres this gear is documented as being used in.
  • Experimental
  • Funk
  • experimental
  • electronic
Tonal lean
  • modulated
  • octave

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