For this year’s Hackaday Prize, [skrodahl] is building a beautiful tube preamp. It’s a masterpiece of glass and free electrons, it already works, and it sounds great. This circuit is a modified ...

Ever get a song stuck in your head that you don’t necessarily mind being there? My latest benign earworm happens to be “Frankenstein” by the Edgar Winter Group; probably due to what’s been going on at ...

The microphone is the first element in the broadcast chain. In our January issue, Trends in Technology looked at this leading element and provided some ideas and tips on making the right selection.