(1) authentic TO-92 2N5457 Transistor from my own personal stash.
There are so many counterfeits (learn to recognize the F font) This is one of thee mosdt important parts of your build so be sure to get your genuine transistors that are in specifications with the fairchild datasheets.
These are used in many boutique builds including the XX Doubleshot, Guitar/Bass Driver & many more.
I guarantee these to be 100% N.O.S. authentic.