Foxrox Electronics Hot Silicon FuzzHot Silicon Fuzz (HSF) is the same Hot Silicon previously available as a FuzzCard for Captain Coconut 2. HSF uses a pair of high gain BC109C silicon transistors, just like many of the original silicon FuzzFaces, and all of the Crest Audio reissues from the late '80s. The Foxrox Hot Silicon Fuzz is based on the most famous fuzz of all, the Dallas Arbiter FuzzFace. The FuzzFace has gone down in history as one of the most erratic, but coolest sounding