Amplifiers on amplify.

YES!!!!!

Amplify’d from www.dansdata.com

Your eyes do not deceive you. This headphone amplifier is built into a Penguin tin. I think that’s pretty darn cool, myself, and so do a lot of other people who’ve bought amps of this type. Or built them.

The circuit this amplifier uses, you see, was invented by a chap called Chu Moy, who published it here, for anyone to build or improve upon.

Chu created a monster. So-called “CMoy” amps spread like wildfire through the audio-twiddler world. With good reason; they’re based on a simple operational amplifier chip, need few other components, run happily from a simple nine volt battery for a long time, and sound really good. Read more at www.dansdata.com