Audio Surplus Effects
Dornenkrone
Distortion named Crown of Thorns, delivering aggressive British voicing.

Dunlop Manufacturing
Authentic Hendrix '68 Shrine Series Octavio
Jimi Hendrix (Experience) 1968 Octavio octave-up fuzz, Shrine Series.

Collision Devices
Nocturnal
Ambient box with shimmer reverb, dynamic tremolo, and tape-style modulated delay.

Malekko
Helium MKII
Sub-octave fuzz generating synth-like bass frequencies beneath your fuzz tone. Octave-down tracking with saturation.

Catalinbread
Perseus Dio
All-analog dual sub-octave fuzz with independent filter controls per voice—8-bit synth mayhem.

October Audio
Nvmbr Fuzz
Ripping octave-up fuzz that cleans up to a ring mod shimmer. One knob, two modes via toggle.

Seamoon
Octatron
Modern all-analog octave pedal producing one and two octaves down with independent control over dry signal, octave levels, and sub-frequency EQ.

Subdecay
Octave Theory
Octave pedal with synth capabilities. Sub and upper octaves with filtering.

Montreal Assembly
Uppers
Octave-up fuzz with aggressive upper-harmonic tracking. Biting, cutting octave fuzz for searing lead lines.

Shift Line
Termofuzz MkII
Analog fuzz with monophonic octave up/down, LP/HP filters, clean blend with phase control, and self-oscillation.

Mantic Conceptual
Hulk
Subharmonic synthesizer inspired by 1995 DOD Meatbox, generating one-octave-down bass boost for massive low-end, featuring internal 30Hz/60Hz trimpots, kill-dry switch, dedicated dry output, and streamlined controls from Denver builders Luis Etscheid and Caleb Henning.

Dunlop Manufacturing
Octavio JH-OC1
Exact clone of Hendrix Octavio pedal for octave-up fuzz as heard on Purple Haze.

LastGasp
Octavella
Upper octave fuzz with internal feedback loop for self-oscillating metallic harmonics.

AllPedal
Love Machine
Octave fuzz combining sub-octave tracking with fuzzy saturation.

KMA
Mandrake
Upper octave fuzz with variable timbre and filter. From subtle enhancement to doom-hammer saturation.

Bigfoot Engineering
Octo Puss Prime
Analog octave-up fuzz with vintage octavia-style tracking and saturation.

Boss
OC-20G Poly Octave
Polyphonic octave with organ mode and vintage tracking options. Tracks chords cleanly.

FTelettronica
Absynthe Guitar Analog Synth
Analog guitar synth with VCF, VCA, sub-octave, and pulse waves. Spans auto-wah to pseudo ring-mod.

Ammoon
Octa
Budget octave effect pedal for basic pitch shifting at accessible pricing, with mix controls for each voice.

Interstellar Audio Machines
Marsling Octafuzzdrive
Foxx Tone Machine recreation with footswitchable octave and improved tone control usability.

Animals Pedal
Foxes Talking of Dreamy Fuzz
70s velvet-style octave fuzz with Level, Sustain, Tone, and switchable octave-up controls.

DigiTech
Mosaic
12-string guitar simulator adding octave-up shimmer and jangle.

MXR
Blue Box
The 1972 octave fuzz that created sub-octave chaos. Glitchy tracking, now considered an asset.

OPFXS
Asteroide
Fuzz with octave-up overtones. Space-rock saturation with harmonics.

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