Miscellaneous

This doesn’t have much to do with Trumpets, but I wanted to post this headphone amplifier I built. I’m not using it in a very demanding application (it’s for watching TV with headphones), but it works really well, it’s totally superior to the FIIO E6 I was using, more gain and less noise. It’s based on a TI TPA6021A4N, which has some nice features: digital volume control, a shutdown mode which prevents pops at startup and shutdown, and most importantly… Read More »Headphone Amplifier