I’ve never built a headphone amp before. Can I build a PIMETA?
You will need to know basics like how to solder, how to read a schematic, how to wire a toggle switch. Some have made it their very first electronics project, but you might want to get some soldering practice in on something less expensive before you begin assembing a PIMETA. For example, a CMoy Pocket Amp. If you’re completely new to DIY electronics, first read my article Getting Started in Audio DIY.