Audio

DOD Overdrive Preamp 250

This is the DOD Overdrive 250 preamp circuit diagram. The DOD Overdrive 250 is Yet Another 741 With Two Diodes…

55 years ago

Octave Fuzz Pedal – Guitar Effects Unit

Here the circuit diagram of octave fuzz guitar effect pedal. This guitar effect unit is great sounding octave fuzz, with…

55 years ago

UniVibe Pedal

The Univibe is actually a footpedal-operated phaser or phase shifter for generating chorus and vibrato simulations for electric organ or…

55 years ago

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…

55 years ago

Vox Tone Bender Pedal

This is the circuit diagram of Vox Tone Bender Pedal. The circuit is very similar to Fuzz Face pedal. The…

55 years ago

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…

55 years ago

Gibson RD Artist Guitar

The following diagram is the schematic of Gibson RD Artist bass guitar Circuit Notes: Both compression and expansion effects are…

55 years ago

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…

55 years ago

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…

55 years ago

Sound Effect Generator UM3561

This is a really simple sound effect generator based single sound generator chip UM3561. The UM3561 will generate four kinds…

55 years ago