Guitar Effects Schematics

EHX Badstone Phase Shifter

EHX Screaming Bird Treble Booster

EHX Hot Tubes Distortion

EHX LPB-1 Signal Booster

EHX Mole Bass Booster

EHX Muff Fuzz

EHX Wah-Wah

EHX Y-Triggered Filter

EHX Zipper Envelope Controlled Filter

EHX Queen Trigger Wah

EHX Silencer

Differential Distortion from Popular Electronics

• Ken Willmott published the Differential Distortion design in Popular Electronics, August 1995. He revised the design in 2014 and it is included here with his kind permission. Thanks Ken!

DOD Compressor-Limiter 525

DOD Wah Filter 545

DOD Chorus 565

DOD Flanger 575

DOD Analog Delay 585

DOD Phaser 595

DOD R825 Compressor

DOD 908 Digital Delay

MXR Dynacomp Compressor

Fuzzface Distortion

• Fuzzface PCB & Parts Placement

Arbiter Fuzz-Wah Face

Heathkit Fuzz

Maestro FZ-1 and FZ-1a Fuzz

MXR Distortion+

Peavey Tube-Sound Distortion

Proco Rat

Some common pin configurations

Rex's Fuzz

Sixties-style Fuzz

Ibanez Sonic Distortion

Ibanez Tube Screamer

Tube Driver

Anderton Frequency Booster

• AMZ modified version for single 9v battery

Anderton Wah-Antiwah

• AMZ modified version for single 9v battery

Anderton Tube Sound Fuzz

Wah-wah Patent from 1967