Guitar Effects Schematics E-H Doctor Q Dr. Quack - "fixed" version of the Doctor Q E-H Badstone Phase Shifter E-H Screaming Bird Treble Booster E-H Hot Tubes Distortion E-H LPB-1 Signal Booster E-H Mole Bass Booster E-H Wah-Wah E-H Y-Triggered Filter E-H Zipper Envelope Controlled Filter E-H Queen Trigger Wah E-H Silencer Differential Fuzz from Popular Electronics 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 Anderton Wah-Antiwah Anderton Tube Sound Fuzz Wah-wah Patent from 1967

Vintage Paia synth circuits presented here courtesy of Paia Electronics
PAIA 2720-3b VCF PAIA 2720-3l VCF PAIA 2720-11 Envelope Follower PAIA Sine Converter/PWM PAIA Function Generator PAIA Inverter/Buffer PAIA 2720 VCA	PAIA 2720 VCO PAIA Control Osc/Noise Src PAIA 4720A VCO PAIA Regulated Power Supply PAIA Balanced Modulator PAIA the DRUM (Part 1) PAIA the DRUM (Part 2)