Simple Guitar Pedal Circuit

A simple block diagram of a guitar with a distortion circuit looks like this below.

Simple guitar pedal circuit. They perform the task of altering the waveform of the incoming signal and providing enough drive to reach the guitar amp or another pedal. Generally A Distortion pedal circuit is used in between the guitar audio source and the Power Amplifier. DIY experimenters also a good choice.

With this tutorial you should be able to build your first guitar pedal. If everything goes well you should get a guitar pedal like this in the end. An simple passive tone control circuit that has many uses in guitar effects pedals.

This circuit can be ran off old 9v batteries In version 2 I was running it off a really cheap mobile phone power supply 5v SMPS that still have a charge above 15v meaning you wont have to throw them out. DIY Guitar Pedal Enclosure Building Tools. The 100K resistor is used as a collector resistor and the two capacitors are used for.

A basic one-transistor amplifier can be used. This is an excellent addition in front of a vintage wah-wah or other circuit that can rob the signal of high frequency response. It goes into the area marked in above.

However unlike the design of an amplifier where the goal is to produce an exact duplicate of the input waveform with little or no distortion the design goal of the pedal distortion circuit is to add just the right amount of distortion. The boosted signal should not be muddled or distortedclipped in any way. Modified fuzz001 Distortion booster Stellans Schematics jshfuzzgif Guitar Related Circuits.

The signal then goes into a single voltage starved Jfet operated at 5 volts to create the distortion. PT2399 Basic delay - HG Amplifiers. Angry Beard 3 Guitar Related Circuits fuzz001gif Guitar Related Circuits fuzz002gif Guitar Related Circuits OK.