guitar preamp circuit

Guitar Pre-Amp with JFET 2N5457

Designed by Don Tillman, this guitar pre-amp circuit design is dedicated for people who don”t like op-amps module. This circuit is a discrete JFET pre-amplifier design, use 2N5457 as the main component. It has low noise, […]

Jimi Hendrix Fuzz Face

Jimi Hendrix Fuzz Face Pedal JH-2

The following diagram is the Jimi Hendrix Fuzz Face Pedal JH-2 circuit diagram. Schematic by Jim Dunlop Note: Q1 & Q2 are MPSA18

Univox Super-Fuzz Pedal

Univox Super-Fuzz Pedal

This is the circuit diagram of Univox Super-Fuzz Pedal. This pedal is actually a 69-to-early 70″s design that consists of two special capabilities. They are the octave generation effect from the differential-pair-with-collectors -tied-together along with the […]

Vox Tone Bender Pedal circuit diagram

Vox Tone Bender Pedal

This is the circuit diagram of Vox Tone Bender Pedal. The circuit is very similar to Fuzz Face pedal. The Vox ToneBender will have a lot more treble response than the Fuzz Face…maybe to help brighten […]

rd artist bass guitar circuit diagram

Gibson RD Artist Guitar

The following diagram is the schematic of Gibson RD Artist bass guitar Circuit Notes: Both compression and expansion effects are determined by the lead pickup output only. I and O in the design diagram refer to […]

Dan Amstrong Blue Clipper Fuzz

Dan Amstrong Blue Clipper Fuzz Guitar Effect

Below diagram is the circuit diagram of Dan Amstrong Blue Clipper fuzz, effect for electric guitar: The Blue Clipper is a thick sounding fuzz with gargantuan sustain. The Blue Clipper delivers a nice, thick fuzz like […]

Maestro Boomerang Wah-Wah Circuit Diagram

Maestro Boomerang Pedal

Here the circuit diagram of Maestro Boomerang pedal / Wah-Wah pedal for electric guitar effect. Note: Transistors Q1 and Q2 were designated P-2356. The Maestro Boomerang is not only a wide range wah wah pedal but […]

Electro Harmonix Fuzz Wah circuit diagram

Electro Harmonix Fuzz-Wah Guitar Effect

This is the electro harmonix fuzz-wah guitar effect pedal circuit diagram. Circuit Notes: Q1 & Q2 are 2n3565 Fuzz bypass S1 has been improved to provide true bypass S3 chooses volume or wah-wah S5 provides for […]

small stone phaser effect

Electro-Harmonix Small Stone Phaser Guitar Effect

This is the schematic diagram of Electro-Harmonix Small Stone Phaser guitar effect pedal. The Small Stone is somewhat special in applying Operational Transconductance Amplifiers (OTA”s) for phase shift stages rather of opamps with variable resistors. All […]