Electro-Harmonix EHXTortion JFET Overdrive Guitar Effects Pedal | Guitar Center
Guitar Pedal X - GPX Blog - Colortone Pedals' Parasite JFET Overdrive is a warm, super-versatile, dynamic and expressive everyday gain machine
Source Audio SA271 ZIO Analog Front End + Boost Effects Pedal
Amazon.com: IK Multimedia Z-Tone Buffer Boost Guitar preamp Pedal with Boost, Active/Passive Pickup selector, switchable Pure/JFET Channels, True Bypass and DI Out for reamping/Live use : Musical Instruments