The circuit has been designed for the purpose of creating a portable unit of preamplifier that would function as standalone control for gutitars. TL062 – a low power JFET dual operational amplifier ...

Here is the circuit diagram of a guitar preamplifier that would accept any standard guitar pickup. It is also versatile in that it has two signal outputs. Here is the circuit diagram of a guitar ...

This week, with a little help from a Roomba, [Dino] built a guitar pickup and preamp that sounds marvelous. A pickup takes vibrations from the guitar and turns them into an electrical signal which can ...

R&M Tone Technology has developed a new line of patented active guitar cables to help players inject some life into their guitar sound. Each of the four PowerWire cables comes with a built-in preamp ...