The Fv1 spinchip is a widely over used chip in guitar pedals! It is really nice. LETS FUCK IT UP!!
Also other chips of course.
But yeah CRYSTALS! Im not gonna CV this shit cause the FV1 is kinda sensitive to overclocking is a thing and cant go above 3.3 volts or so.
SO DONT YOU FUCKING LINK THAT LOOK MUM NO COMPUTER VIDEO WITH GAME BOYS AND SYNTHS!! https://www.youtube.com/watch?v=8T5S1kIofmE&t=275s