Audio
UniVibe Pedal
The Univibe is actually a footpedal-operated phaser or phase shifter for generating chorus and vibrato simulations for electric organ or…
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…
Vox Tone Bender Pedal
This is the circuit diagram of Vox Tone Bender Pedal. The circuit is very similar to Fuzz Face pedal. The…
4W Stereo Amplifier using LM2877
This is the diagram of 4W stereo power amplifier built based stereo power IC LM2877 with a few of external…
Gibson RD Artist Guitar
The following diagram is the schematic of Gibson RD Artist bass guitar Circuit Notes: Both compression and expansion effects are…
DOD FX75 Flanger Guitar Effect Pedal
This is the circuit diagram of DOD FX75 Flanger guitar effect pedal. The circuit drawn by Fabian P. Hartery. Featuring…
Electro Harmonix Graphic Equalizer
This is the diagram od electro-harmonix graphic equalizer. You can specify the number of channels according to your needs. You…
Sound Effect Generator UM3561
This is a really simple sound effect generator based single sound generator chip UM3561. The UM3561 will generate four kinds…
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…
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…