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PCB Guitar Mania

Dirt Device

Dirt Device

$11.99 AUD
$11.99 AUD
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Dirt Device

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Dirt Device

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Dirt Device – Building Docs

Dirt Device – Drilling Template


Project overview

Clearly a Fuzz Face inspired circuit, but with two interesting features that totally change the nature of this pedal, a knob for Bias control that regulates how much voltage is fed into the second transistor, and a big muff tone stack just before the output that allows you to shape the tone according to your taste.

Introduction

The circuit starts as two gain stages running into each other with an input gain control and a sag on the second stage (bias). Then you have the voltage feedback added, and it became similar to a fuzz face in topology, but it sounds nothing like one!. In this case, the sound is totally dependent on the transistors; the original version works with a couple of 2N1711 NPN silicon, replace them and it’s a whole different beast.

Controls

  • Volume
  • Bias
  • Dirt
  • Tone
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