Category Archives: Guitar Effects



Tube Distortion Pedal

The following circuit is tube distortion pedal for guitar effect. The circuit designed by Ron Black. Circuit Notes: IC1 : 747 dual op-amp, other ICs may be substitued but pinout will different. You should check the datasheet IC2 : LM340K-12V Voltage Regulator All resistors are 1/2 W Bridge Rectifier – Full wave bridge recitifier, 50… Read More »

Electro-Harmonix Big Muff Pi Effect

The following diagram is the schematic diagram of electric guitar effect: Electro-Harmonix (EH) Big Muff Pi. The EH Big Muff Pi effect circuit would probably be better making the change by a modern input-jack power and a? DPDT bypass switch. The types of transistors and diodes are unknown. It is likely that any high gain… Read More »

Axe Grinder Electric Guitar Effect

Here the schematic diagram of Axe Grinder Electric Guitar Effect pedal. You may download the PDF version at the end of the post. The Axe Grinder is designed with a few key fetures in mind, it not only serves a wide range of distortion sounds clipping part of the effect, it also gives the user… Read More »

Harmonic Sweetener Guitar Effect

This is the one of many guitar effect circuits exist in the world. I have not made this circuit and I also do not know what kind of sound effect harmonic sweeteners, but hopefully this harmonic sweetener guitar effect circuit can help you get a nice effect for your electric guitar. A pair of red… Read More »

Dan Armstrong Green Ringer Guitar Effect

This is Dan Armstrong Green Ringer guitar effect for your electric guitar. The guitar effect is sold at high price at the market. Now, you can build your own low cost guitar effect… 🙂 The transistor marked ” * ” has no markings other than three stripes: green, blue and white from top to bottom.… Read More »

Bass Guitar Preamp Pedal

Here is the circuit diagram and PCB design for relatively low cost DIY bass guitar preamp pedal uses FET K117 or equivalent. There is a bit difficult to build this kind circuit project, it’s require a good knowledge in electronics. This preamp has several features for the bass guitar instrument such as attenuator, low cut, mid… Read More »

Dallas Arbiter Fuzz Face

This is the circuit diagram of Fuzz Face mods, guitar effect pedal. This is a modified diagram and simpler than the original Fuzz Face diagram. You will find apparently two identical designs of the fuzz face. In one Q1 and Q2 had been PNP germanium AC128 or NKT275 types, in the other they had been… Read More »



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