JFET

A JFET, or junction field-effect transistor, is a type of transistor used in effects circuits as a gain stage, boost, or input stage¹². Builders often use JFET transistors in place of tubes, giving pedals a tube-like response, dynamic feel, or clipping character¹³⁴⁵⁶. JFET stages appear in clean boosts, preamps, overdrives, and fuzzes, sometimes combined with other transistor types^7891011. Depending on how a JFET stage is biased, it can be described as transparent and clean or as adding harmonics and a touch of grit^1221314.