Two simple audio uses for 2N5458 JFETs - dpFX Pedals
JFET SRPP circuit frequency oddity | diyAudio
Caffeine Boost (Classic JFET) v2.0
Here's a simple clean boost circuit built by JHS. It's really just the Tim Escobedo Duente JFET boost with a fixed re… | Guitar pedals, Diy guitar pedal, Guitar diy
A closer look at the Fetzer Valve
Building JFET Preamplifiers for Musical Instrument Use. : 9 Steps (with Pictures) - Instructables