23-inch strip format 8-loop switcher with MIDI input and four external relay switches.

Polyphonic octave up and down in compact nano enclosure, tracking every note in chords flawlessly.

Analog octave with proprietary tracking circuit and independent clean/octave blend.

Auto-modulated CMOS fuzz with frequency dividers producing sub-octave, bit crush, and ring mod chaos.

Foxx Tone Machine clone with footswitchable octave and original 2N3565 transistors.

Digital octave variant with different voicing options. Generates octave voices with independent blend controls.

Evolved Octron with improved tracking and refined voices. Generates octave voices with independent blend controls.

Multi-overtone generator adding harmonic content above your dry signal. Shimmer and richness.

DIY PCB for building a Univox Superfuzz clone - the 1968 octave-up fuzz used by Pete Townshend.

Four-voice analog octaver: 2nd down, 1st down, fuzzy octave up, and clean blend with tone control.

Sub-octave synthesizer for bass that adds massive low-end with tracking controls.

Sub-octave generator with blendable clean signal for massive low-end depth.

Polyphonic super octave with drive mode adding distortion to the sub-octave voice.

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.

Analog octave-up and octave-down with full-wave rectifier character. Raw, vintage octave fuzz.

Original octave fuzz design with blend control and three voicing modes. Mini format, same big tones.

Octave-up fuzz with omnipresent octave and blend control. Most effective above 9th fret with neck pickup.

Bass octave with Growl mid-boost and independent octave level controls.

Compact polyphonic octaver with TonePrint. Sub and octave-up voices in mini format.

Octave-up fuzz with separate fuzz and octave footswitches. Mid-cut toggle, internal trim pots.

Bass fuzz with analog suboctave. Fuzz God II circuit plus all-analog octave generator. Dual footswitches.

Crushing op-amp octave fuzz with 80dB+ of gain. Green Russian meets synth territory.

Bass octave and interval pedal — independent octave-down plus switchable 5th up, octave up, or double octave down. Expression input.

Expanded envelope filter/wah/octave with three filter flavors, three octave voicings, and flexible routing.