Industrial Fuzz

Based on Z.Vex Fuzz Factory

About

ZVEX Fuzz Facory Right-600x600.jpg

This is a five-knob fuzz using two new old-stock sixties germanium transistors. The circuit is not modeled after any classic fuzz design, but should have been around when Leary was still lucid. Although the five knobs are named for the parameters over which they seem to have the most control, please don’t hold me to it. They are controls for various operating levels and biases, and basically shape you a personalized fuzz.

Controls

Volume – Output level.

Gate – Squelches noise after end of sustain. Turn to right to eliminate squeals, hiss and buzz, stopping just as they disappear, or use to tune in exact feedback pitch, if you’re that kind. Turning to left opens gate.

Compress – Adds attack characteristic when turned to left, which gets softer to right, and suddenly pinches tone when all the way right. Also use to tune in fat feedback fuzz, if you’re that kind. Lower the Stability and see what happens to this control.

Drive – Increases distortion when used as a “normal” fuzzm and adjusts feedback pitch and tonal thickness, if you’re that kind. This control becomes meaningless when Compress is all the way right.

Stab – Use all the way right. Do not adjust this control below 2:00, unless you like your fuzz soft and squishy. Use to control feedback pitch.

Warning

Many ‘incorrect’ settings on this pedal squeal. This may annoy the faint-hearted. If you use the example settings, you won’t get hurt. I don’t want to see anyone hurt. Unless you’re that kind. Don’t forget to memorize or write down your favorite settings.

Example Settings

Hi compression fuzz: Vol 10:00 | Gate 3:00 | Comp 9:00 | Drive 5:00 | Stab 5:00

Velcro fuzz: Vol 10:00 | Gate 7:00 | Comp 5:00 | Drive 5:00 | Stab 2:00

Cleanish hi octave intermodulation: Vol 10:00 | Gate 2-3:00 | Comp 7:00 | Drive 7:00 | Stab 5:00

Smooth fuzz: Vol 10:00 | Gate 7:00 | Comp 3:00 | Drive 5:00 | Stab 5:00 (lower Stab is more mellow)

Radio fuzz: Vol 10:00 | Gate 7:00 | Comp 10:00 | Drive 12:00 | Stab: Lower from fully clockwise while playing open ‘A’ with left hand. Stop at most interesting tone.

Reference Videos

3 thoughts on “Industrial Fuzz

  1. so …by “squeal” you mean the industrial fuzz model on the Helix self-oscillates like the real analog fuzz factory? I have an HD500X which allows me to map fuzz knobs to the expression pedal, do you think it’s possible to assign stab/drive on the Helix model to modulate them with the expression pedal?

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    1. Absolutely. Pretty much every parameter for every model inside the Helix can be mapped to a foot switch or an expression pedal.

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      1. gee, I didn’t know mapping could be assigned to footswitches too! great! you mean a FS can modify something like ie. off:50% drive, on:99%drive? that’s not the case for the HD500X, only expression 1&2 can affect parameters by assigning min/max values, FS1,2,3,4 only work as ON/OFF for effects. If that’s the case, looks like I need to start selling gear to save for the Helix…

        so, does the FF model oscillate like the analog pedal? I guess the gold-standard became the intro to “plug in baby” by Muse, not that I want to do a cover, but I want to modulate the squeal with my foot instead of knobs.

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