The Aguilar Octamizer is a compact, analog monophonic octave-down pedal made specifically for bass. Known for its rich, synthy octave tone and clarity at low frequencies, it lets you blend and shape both the original and sub-octave signals independently. Whether you’re going for classic funk, modern synth bass, or dub-inspired low-end, the Octamizer is built to track cleanly and musically.
🔧 Key Features
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Analog Octave-Down Circuit
Produces a warm, fat, and slightly dirty sub-octave signal below your dry bass tone. -
Independent Volume & Tone Controls for Each Path
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Clean Level & Clean Tone: Adjust how much unaffected signal is mixed in, and shape it with a full-range tilt EQ. Turn clockwise for a full, scooped sound or counterclockwise for a midrange-forward growl.
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Octave Level & Octave Filter: Controls the volume of the sub-octave and its tone. The filter is a low-pass sweep—from woolly and deep to synth-like buzz.
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True Bypass Switching
Preserves your tone completely when disengaged. -
Monophonic Tracking
Tracks cleanly with single notes, especially above low A (but like most analog octaves, chords or complex fingerstyle passages can cause glitching).
✅ Pros
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Deep, musical analog tone – smooth, natural bass octaves
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Dual EQ paths – shape clean and octave signals independently
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No low-end loss – designed for bass from the ground up
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Simple layout, high flexibility – very tweakable without menu diving
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Rugged build – perfect for stage use
💬 User Feedback
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“Better tracking than the EHX Octave Multiplexer and sounds thicker than the Boss OC-2.”
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“The tone control on the clean path makes it sit beautifully in a mix.”
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“Fantastic for synth-style bass lines and layering with fuzz.”
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“Doesn’t get in the way of my core tone—just makes it more massive.”