Built a BC108 silicon Fuzz Face, from scratch, in a 1590B, on a mini eyelet board. Used 10k Q2 bias pot instead of the 8.2k. It works! : r/diypedals,Jim Dunlop JHF1 Jimi Hendrix Fuzz Face BC108 Silicon | Blue Guitars Online Store,Hartman BC108 Silicon Fuzz | Reverb Slovenia,Versus: BC108 Silicon Fuzz Hartman Electronics x Hot Silicon Foxrox Electronics