MI Audio G.I. Fuzz

Various

MI Audio (2006-2008)

The GI Fuzz was the next logical step after the Neo Fuzz. Once I had the design done for the Neo, it was natural to then ask the question, "what would the circuit sound like with high gain silicon transistors instead of lower gain germaniums?" So the principles behind the GI design are the same as those which resulted in the Neo. See the Neo's background section for these,...

The GI Fuzz is a high gain fuzz design, featuring a trio of ultra low noise, high gain silicon transistors. This is not a fuzz for the faint hearted. It has about 20db more gain than a Fuzz Face, so you can think of the gain achievable as being equivalent to a a Fuzz Face at full tilt being driven by a booster! This is military spec fuzz, complete with a camouflage green aluminium enclosure and stencil script !

The GI Fuzz is not a clone of anything out there. It is new design which I worked on for about a year.

In the end, I settled on a design which makes the GI Fuzz one of the most versatile fuzz pedals out there. At last, the fuzz pedal has joined the 21st century! No longer the 2 knob, unstable, radio receiver of yesteryear. You get 6 knobs, an internal trimmer, a 3 position switch, and the ability to create anything from fat bluesy tones, to traditional fuzz, to all-out sustain, to gated, synth-like bleeps.

The other features of the GI Fuzz are:

  • A huge gain range, from nothing to sustain-for-days
  • It can be used as a low gain device (for a fat bluesy bite), which is fairly unique for a fuzz pedal, since fuzz pedals tend to have a very narrow range of gain.
  • To tame this pedal, there's an internal gain trimmer to wind things back (which I recommend)
  • A load control, which is a variable input impedance. This can be used to match the GI Fuzz to humbuckers as well as single coils (Fuzz pedals tend to have low input impedance which is a better match for single coils. Now you can also use humbuckers without any problems). You can also use it to go from a tradition fuzz sound (low input impedance) to a more articulate sound with detailed highs (high impedance)
  • A bias control to set up the operating point of the transistors, from a fat symmetrical fuzz, to an asymmetrical 'mosquito' buzz, and beyond, to a gated synth-like sound (almost sounds like your amp is about to die!)
  • A body control, which full range mid range control. The mids, of course, are the most important frequencies for determining how your guitar tone sits in with the rest of the band.
  • A tone control, which controls both lows and highs, as opposed to simply a high cut filter. This is like bass and treble controls rolled into one. The combination of the tone and the body controls is like having a low/mid/high EQ
  • A volume control with output to spare. You can use the GI fuzz to overdrive your amp.
  • A 3 position bright switch to help tame the top end. This is useful if you're going to use your GI Fuzz with a bright 'modern' voiced clean channel, or if you're going to use the GI with overdrive pedals (which tend to be darker, and by comparison, make a normal fuzz sound shrill)
  • A heavy duty 3PDT True Bypass footswitch for no tone loss when the GI Fuzz is bypassed.
  • A 9V adaptor plug (2.1mm barrel connection).
  • Super quiet operation, due to its unique design.
  • High quality overrated components for rock-solid reliability. In fact, you can use the GI Fuzz with anything up to 25V DC power source, although for a fuzz pedal, 9V is the best operating voltage.
  • Each and every GI Fuzz is hand-made by me in Sydney, Australia.
  • As with all my pedals, it carries a 5 year warranty.

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