This week, with a little help from a Roomba, [Dino] built a guitar pickup and preamp that ... and decouple the circuit from the input and power rails. He epoxied the piezo element inside the ...

Each of the four PowerWire cables comes with a built-in preamp ... any guitar active pickups, which are highly regarded for clean, clear and powerful sonic delivery. The integrated circuit is ...

The Guitar Butler is here ... gate and IR support Crazy Tube Circuits cooks up a crazy tube circuit for real with Venus overdrive pedal Tone King offers up boutique tube amp tones for your pedalboard ...